[lldb] [clang] fixing issue #64441 (PR #74814)

[Michael Buch via cfe-commits]

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@@ -56,10 +56,10 @@ namespace Foo = A::B;   // namespace alias
 
 using Foo::myfunc;      // using declaration
 
-using namespace Foo;    // using directive
+//removing namespace foo; for quality naming 
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Michael137 wrote:

The `using` directive was used here to make sure LLDB does the right thing when doing qualified lookup in the presence of various `DW_TAG_imported_module` and name shadowing. I don't think we should change this because it risks subtly changing the test coverage.

https://github.com/llvm/llvm-project/pull/74814