Remove unused code and llassetuploadresponders files.

indra/newview/CMakeLists.txt

indra/newview/llassetuploadresponders.cpp

indra/newview/llassetuploadresponders.h

indra/newview/llcompilequeue.cpp

indra/newview/llfloaterreporter.cpp

indra/newview/llmeshrepository.cpp

indra/newview/llpostcard.cpp

indra/newview/llpreviewgesture.cpp

indra/newview/llpreviewnotecard.cpp

indra/newview/llpreviewscript.cpp

indra/newview/llviewermenufile.cpp

indra/newview/llviewermenufile.h