Follow change in out-of-scope variable suggestions

Now we don't suggest alternatives for single-character variables

testsuite/tests/ghc-regress/arrows/should_fail/arrowfail002.stderr

 
-arrowfail002.hs:6:17:
-    Not in scope: `x'
-    Perhaps you meant one of these: `f' (line 7), `g' (line 6)
+arrowfail002.hs:6:17: Not in scope: `x'

testsuite/tests/ghc-regress/driver/1372/1372.stderr

 
-Main.hs:5:5:
-    Not in scope: data constructor `T'
-    Perhaps you meant one of these:
-      `GT' (imported from Prelude), `LT' (imported from Prelude),
-      `T'' (imported from A)
+Main.hs:5:5: Not in scope: data constructor `T'

testsuite/tests/ghc-regress/module/mod125.stderr

 
-mod125.hs:7:5:
-    Not in scope: data constructor `T'
-    Perhaps you meant one of these:
-      `GT' (imported from Prelude), `LT' (imported from Prelude)
+mod125.hs:7:5: Not in scope: data constructor `T'

testsuite/tests/ghc-regress/module/mod126.stderr

 
-mod126.hs:7:5:
-    Not in scope: data constructor `T'
-    Perhaps you meant one of these:
-      `GT' (imported from Prelude), `LT' (imported from Prelude)
+mod126.hs:7:5: Not in scope: data constructor `T'

testsuite/tests/ghc-regress/module/mod127.stderr

 
-mod127.hs:6:6:
-    Not in scope: type constructor or class `T'
-    Perhaps you meant `T1' (imported from Mod127_A)
+mod127.hs:6:6: Not in scope: type constructor or class `T'

testsuite/tests/ghc-regress/module/mod130.stderr

 
-mod130.hs:7:5:
-    Not in scope: `<'
-    Perhaps you meant one of these:
-      `-' (imported from Prelude), `*' (imported from Prelude),
-      `.' (imported from Prelude)
+mod130.hs:7:5: Not in scope: `<'

testsuite/tests/ghc-regress/module/mod158.stderr

 
-mod158.hs:12:5:
-    Not in scope: data constructor `C'
-    Perhaps you meant one of these:
-      `A' (imported from Mod157_D), `B' (imported from Mod157_D)
+mod158.hs:12:5: Not in scope: data constructor `C'
 exit(1)

testsuite/tests/ghc-regress/module/mod25.stderr

 
-mod25.hs:3:16:
-    Not in scope: type variable `b'
-    Perhaps you meant `a' (line 3)
+mod25.hs:3:16: Not in scope: type variable `b'

testsuite/tests/ghc-regress/module/mod26.stderr

 
-mod26.hs:3:21:
-    Not in scope: type variable `b'
-    Perhaps you meant `a' (line 3)
+mod26.hs:3:21: Not in scope: type variable `b'

testsuite/tests/ghc-regress/module/mod72.stderr

 
-mod72.hs:3:7:
-    Not in scope: `g'
-    Perhaps you meant one of these: `x' (line 3), `f' (line 3)
+mod72.hs:3:7: Not in scope: `g'

testsuite/tests/ghc-regress/parser/should_fail/readFail001.stderr

@@ -8,15 +8,9 @@ readFail001.hs:38:48:
 readFail001.hs:38:59:
     Not in scope: type constructor or class `EqLeaf'
 
-readFail001.hs:87:11:
-    Not in scope: `x'
-    Perhaps you meant one of these:
-      `a' (line 79), `b' (line 79), `c' (line 79)
-
-readFail001.hs:88:19:
-    Not in scope: `x'
-    Perhaps you meant one of these:
-      `a' (line 79), `b' (line 79), `c' (line 79)
+readFail001.hs:87:11: Not in scope: `x'
+
+readFail001.hs:88:19: Not in scope: `x'
 
 readFail001.hs:94:19: Not in scope: `isSpace'
 

testsuite/tests/ghc-regress/rename/should_fail/rnfail018.stderr

 
-rnfail018.hs:12:37:
-    Not in scope: type variable `a'
-    Perhaps you meant `b' (line 12)
+rnfail018.hs:12:37: Not in scope: type variable `a'
 
-rnfail018.hs:12:42:
-    Not in scope: type variable `m'
-    Perhaps you meant `b' (line 12)
+rnfail018.hs:12:42: Not in scope: type variable `m'
 
-rnfail018.hs:12:47:
-    Not in scope: type variable `m'
-    Perhaps you meant `b' (line 12)
+rnfail018.hs:12:47: Not in scope: type variable `m'
 
-rnfail018.hs:12:49:
-    Not in scope: type variable `a'
-    Perhaps you meant `b' (line 12)
+rnfail018.hs:12:49: Not in scope: type variable `a'

testsuite/tests/ghc-regress/rename/should_fail/rnfail035.stderr

 
-rnfail035.hs:2:21:
-    Not in scope: type constructor or class `C'
-    Perhaps you meant `T' (line 3)
+rnfail035.hs:2:21: Not in scope: type constructor or class `C'

testsuite/tests/ghc-regress/typecheck/should_fail/tcfail011.stderr

 
-tcfail011.hs:3:25:
-    Not in scope: `y'
-    Perhaps you meant one of these: `x' (line 3), `z' (line 3)
+tcfail011.hs:3:25: Not in scope: `y'

testsuite/tests/ghc-regress/typecheck/should_fail/tcfail048.stderr

 
-tcfail048.hs:3:7:
-    Not in scope: type constructor or class `B'
-    Perhaps you meant `C' (line 3)
+tcfail048.hs:3:7: Not in scope: type constructor or class `B'

testsuite/tests/ghc-regress/typecheck/should_fail/tcfail049.stderr

 
-tcfail049.hs:3:7:
-    Not in scope: `g'
-    Perhaps you meant one of these: `x' (line 3), `f' (line 3)
+tcfail049.hs:3:7: Not in scope: `g'

testsuite/tests/ghc-regress/typecheck/should_fail/tcfail052.stderr

 
-tcfail052.hs:3:16:
-    Not in scope: type variable `c'
-    Perhaps you meant `a' (line 3)
+tcfail052.hs:3:16: Not in scope: type variable `c'

testsuite/tests/ghc-regress/typecheck/should_fail/tcfail053.stderr

 
-tcfail053.hs:3:12:
-    Not in scope: type constructor or class `A'
-    Perhaps you meant `B' (line 3)
+tcfail053.hs:3:12: Not in scope: type constructor or class `A'

testsuite/tests/ghc-regress/typecheck/should_fail/tcfail061.stderr

 
-tcfail061.hs:5:17:
-    Not in scope: type variable `b'
-    Perhaps you meant `a' (line 5)
+tcfail061.hs:5:17: Not in scope: type variable `b'
 
-tcfail061.hs:5:19:
-    Not in scope: type variable `b'
-    Perhaps you meant `a' (line 5)
+tcfail061.hs:5:19: Not in scope: type variable `b'
 
-tcfail061.hs:11:22:
-    Not in scope: type variable `b'
-    Perhaps you meant `a' (line 11)
+tcfail061.hs:11:22: Not in scope: type variable `b'
 
-tcfail061.hs:11:24:
-    Not in scope: type variable `b'
-    Perhaps you meant `a' (line 11)
+tcfail061.hs:11:24: Not in scope: type variable `b'