Remove some tabs in break020.hs

testsuite/tests/ghc-regress/ghci.debugger/scripts/break020.hs

@@ -12,6 +12,4 @@ main = do
   in_another_decl 0
   in_another_module 0
   line2 1
-  return ()
-  
-  
\ No newline at end of file
+  return ()
\ No newline at end of file

testsuite/tests/ghc-regress/ghci.debugger/scripts/break020.stdout

@@ -9,9 +9,7 @@ _result :: IO () = _
 13    in_another_module 0
 14    line2 1
 15    return ()
-16    
-17    
-      ^^
+               ^^
 Stopped at break020.hs:10:2-8
 _result :: IO () = _
 9  main = do

testsuite/tests/ghc-regress/ghci.debugger/scripts/break021.stdout

-Stopped at break020.hs:(9,7)-(17,1)
+Stopped at break020.hs:(9,7)-(15,10)
 _result :: IO () = _
 8  
         vv
@@ -9,9 +9,7 @@ _result :: IO () = _
 13    in_another_module 0
 14    line2 1
 15    return ()
-16    
-17    
-      ^^
+               ^^
 Stopped at break020.hs:10:2-8
 _result :: IO () = _
 9  main = do
@@ -135,4 +133,3 @@ _result :: IO () = _
 14    line2 1
 15    return ()
       ^^^^^^^^^
-16