FS-7966: multiple fixes for msvc 2015 build, remove unintended file add

src/mod/languages/mod_managed/Win32/Debug_CLR/.NETFramework,Version=v4.0.AssemblyAttributes.asm

-; Listing generated by Microsoft (R) Optimizing Compiler Version 19.00.23026.0 
-
-; Generated by VC++ for Common Language Runtime
-.file "C:\Users\mike\AppData\Local\Temp\.NETFramework,Version=v4.0.AssemblyAttributes.cpp"

src/mod/languages/mod_managed/Win32/Debug_CLR/.netframework,version=v4.0.assemblyattributes.nativecodeanalysis.xml

-<?xml version='1.0' encoding='UTF-8'?>
-<DEFECTS></DEFECTS>
\ No newline at end of file

src/mod/languages/mod_managed/Win32/Debug_CLR/freeswitch_managed.nativecodeanalysis.xml

-<?xml version='1.0' encoding='UTF-8'?>
-<DEFECTS></DEFECTS>
\ No newline at end of file

src/mod/languages/mod_managed/Win32/Debug_CLR/freeswitch_wrap.nativecodeanalysis.xml

-<?xml version='1.0' encoding='UTF-8'?>
-<DEFECTS></DEFECTS>
\ No newline at end of file

src/mod/languages/mod_managed/Win32/Debug_CLR/mod_managed.nativecodeanalysis.xml

-<?xml version='1.0' encoding='UTF-8'?>
-<DEFECTS></DEFECTS>
\ No newline at end of file