[premake] Cleanup

src/xenia/hid/nop/premake5.lua

@@ -10,6 +10,4 @@ project("xenia-hid-nop")
     "xenia-base",
     "xenia-hid",
   })
-  defines({
-  })
   local_platform_files()

src/xenia/hid/premake5.lua

@@ -10,7 +10,5 @@ project("xenia-hid")
     "xenia-base",
     "xenia-hid-skylander",
   })
-  defines({
-  })
   local_platform_files()
   removefiles({"*_demo.cc"})

src/xenia/hid/sdl/premake5.lua

@@ -12,7 +12,5 @@ project("xenia-hid-sdl")
     "xenia-ui",
     "SDL2",
   })
-  defines({
-  })
   local_platform_files()
   sdl2_include()

src/xenia/hid/winkey/premake5.lua

@@ -11,6 +11,4 @@ project("xenia-hid-winkey")
     "xenia-hid",
     "xenia-ui",
   })
-  defines({
-  })
   local_platform_files()

src/xenia/hid/xinput/premake5.lua

@@ -10,6 +10,4 @@ project("xenia-hid-xinput")
     "xenia-base",
     "xenia-hid",
   })
-  defines({
-  })
   local_platform_files()