Modular rendering system. Patch by use.less01

This might break MSVC builds. I'll take care of it later

code/qcommon/common.c

@@ -3271,37 +3271,6 @@ void Com_Shutdown (void) {
 
 }
 
-//------------------------------------------------------------------------
-
-
-/*
-=====================
-Q_acos
-
-the msvc acos doesn't always return a value between -PI and PI:
-
-int i;
-i = 1065353246;
-acos(*(float*) &i) == -1.#IND0
-
-	This should go in q_math but it is too late to add new traps
-	to game and ui
-=====================
-*/
-float Q_acos(float c) {
-	float angle;
-
-	angle = acos(c);
-
-	if (angle > M_PI) {
-		return (float)M_PI;
-	}
-	if (angle < -M_PI) {
-		return (float)M_PI;
-	}
-	return angle;
-}
-
 /*
 ===========================================
 command line completion