Update LibraryConfigurations.cmake

Removes a warning that linker-only flags were being passed to the compiler, which is in accordance to https://emscripten.org/docs/tools_reference/settings_reference.html.

cmake/LibraryConfigurations.cmake

@@ -59,7 +59,7 @@ if (${PLATFORM} MATCHES "Desktop")
 elseif (${PLATFORM} MATCHES "Web")
     set(PLATFORM_CPP "PLATFORM_WEB")
     set(GRAPHICS "GRAPHICS_API_OPENGL_ES2")
-    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -s USE_GLFW=3 -s ASSERTIONS=1 --profiling")
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} --profiling")
     set(CMAKE_STATIC_LIBRARY_SUFFIX ".a")
 
 elseif (${PLATFORM} MATCHES "Android")