[test] Re-enable TestUnicodeSymbols

Re-enable TestUnicodeSymbols now that we use the in-tree dsymutil. This
was disabled because the hashing of unicode symbols was out of sync
between llvm (dsymutil) and lldb.

llvm-svn: 331764

lldb/packages/Python/lldbsuite/test/lang/c/unicode/TestUnicodeSymbols.py

@@ -9,7 +9,6 @@ class TestUnicodeSymbols(TestBase):
 
     mydir = TestBase.compute_mydir(__file__)
 
-    @skipIf(debug_info=["dsym"])
     def test_union_members(self):
         self.build()
         spec = lldb.SBModuleSpec()