testsuite: Unmark recomp007 as broken

Fixed in #14759.

testsuite/tests/driver/recomp007/all.T

@@ -3,6 +3,5 @@
 #   "Fix a recompilation checking bug when a package dependency changes"
 
 test('recomp007', [extra_files(['Setup.hs', 'a1/', 'a2/', 'b/'])
-                  , when(compiler_debugged(), expect_broken(14759))
                   , when(fast(), skip)
                   , normalise_slashes], makefile_test, [])