Revert "tests/Properties/HashMapLazy.hs: Temp tweak to make stylish-haskell pass"

This reverts commit b8624f7.

Author: sjakobi

tests/Properties/HashMapLazy.hs

@@ -5,7 +5,11 @@
 -- | Tests for the 'Data.HashMap.Lazy' module.  We test functions by
 -- comparing them to @Map@ from @containers@.
 
+#if defined(STRICT)
 module Properties.HashMapStrict (tests) where
+#else
+module Properties.HashMapLazy (tests) where
+#endif
 
 import Control.Applicative      (Const (..))
 import Control.Monad            (guard)