Remove useless build.

build_win_debug_experimental.bat

@@ -6,11 +6,9 @@ call build_env_x86.bat
 cl dll/rtlgenrandom.c dll/rtlgenrandom.def
 cl /LD /IImGui /Iglew\include /I%PROTOBUF_X86_DIRECTORY%\include\ /DGLEW_STATIC /DEMU_EXPERIMENTAL_BUILD /DCONTROLLER_SUPPORT /DEMU_OVERLAY dll/*.cpp dll/*.cc detours/*.cpp controller/gamepad.c ImGui/*.cpp ImGui/impls/*.cpp ImGui/impls/windows/*.cpp overlay_experimental/*.cpp overlay_experimental/windows/*.cpp "%PROTOBUF_X86_LIBRARY%" glew\glew.c opengl32.lib Iphlpapi.lib Ws2_32.lib rtlgenrandom.lib Shell32.lib Winmm.lib /EHsc /MP12 /link /OUT:steam_api.dll
 cl /LD steamclient.cpp /EHsc /MP12 /link /OUT:steamclient.dll
-cl /LD steamnetworkingsockets.cpp /EHsc /MP12 /link /OUT:steamnetworkingsockets.dll
 
 "%PROTOC_X64_EXE%" -I.\dll\ --cpp_out=.\dll\ .\dll\net.proto
 call build_env_x64.bat
 cl dll/rtlgenrandom.c dll/rtlgenrandom.def
 cl /LD /IImGui /Iglew\include /I%PROTOBUF_X64_DIRECTORY%\include\ /DGLEW_STATIC /DEMU_EXPERIMENTAL_BUILD /DCONTROLLER_SUPPORT /DEMU_OVERLAY dll/*.cpp dll/*.cc detours/*.cpp controller/gamepad.c ImGui/*.cpp ImGui/impls/*.cpp ImGui/impls/windows/*.cpp overlay_experimental/*.cpp overlay_experimental/windows/*.cpp "%PROTOBUF_X64_LIBRARY%" glew\glew.c opengl32.lib Iphlpapi.lib Ws2_32.lib rtlgenrandom.lib Shell32.lib Winmm.lib /EHsc /MP12 /link /OUT:steam_api64.dll
 cl /LD steamclient.cpp /EHsc /MP12 /link /OUT:steamclient64.dll
-cl /LD steamnetworkingsockets.cpp /EHsc /MP12 /link /OUT:steamnetworkingsockets64.dll