LIBRETRO: BUILD: remove unneeded USE_CLOUD defs

Author: spleen1981

backends/platform/libretro/Makefile

@@ -375,7 +375,6 @@ else ifeq ($(platform), emscripten)
    CXXFLAGS += -std=c++11
    STATIC_LINKING = 1
    USE_LIBCO  = 0
-   USE_CLOUD = 0
 
 # Windows MSVC 2017 all architectures
 else ifneq (,$(findstring windows_msvc2017,$(platform)))

backends/platform/libretro/Makefile.common

@@ -105,7 +105,7 @@ USE_JPEG          = 1
 
 USE_FREETYPE2     = 1
 
-USE_CLOUD        ?= 0
+USE_CLOUD        ?=
 
 # Components (defines handled by engines.awk)
 USE_THEORADEC    ?= 1