Remove unused UWP defines (#1894)

* Unused UWP define removal

* Further removal of unusued UWP defines

src/config.h

@@ -224,4 +224,3 @@
 // utils: Configuration values
 //------------------------------------------------------------------------------------
 #define MAX_TRACELOG_MSG_LENGTH          128    // Max length of one trace-log message
-#define MAX_UWP_MESSAGES                 512    // Max UWP messages to process

src/utils.c

@@ -56,9 +56,6 @@
 #ifndef MAX_TRACELOG_MSG_LENGTH
     #define MAX_TRACELOG_MSG_LENGTH     128     // Max length of one trace-log message
 #endif
-#ifndef MAX_UWP_MESSAGES
-    #define MAX_UWP_MESSAGES            512     // Max UWP messages to process
-#endif
 
 //----------------------------------------------------------------------------------
 // Global Variables Definition