Remove redundant calls to spv::Parameterize() from tests

This means the tests won't need to have this entrypoint exposed when
building as a shared library with hidden symbols.

gtests/Link.FromFile.Vk.cpp

@@ -86,7 +86,6 @@ TEST_P(LinkTestVulkan, FromFile)
                                 spirv_binary, &logger, &options());
 
         std::ostringstream disassembly_stream;
-        spv::Parameterize();
         spv::Disassemble(disassembly_stream, spirv_binary);
         result.spirvWarningsErrors = logger.getAllMessages();
         result.spirv = disassembly_stream.str();