Reverted Box2D errors back to asserts, because love's exceptions provided even less info

src/modules/physics/box2d/Source/Common/b2Settings.h

@@ -19,13 +19,13 @@
 #ifndef B2_SETTINGS_H
 #define B2_SETTINGS_H
 
-//#include <assert.h>
-#include <common/Exception.h>
+#include <assert.h>
+//#include <common/Exception.h>
 #include <cmath>
 
 #define B2_NOT_USED(x) x
-//#define b2Assert(A) assert(A)
-#define b2Assert(A) {if(!(A)) throw love::Exception("Box2D error: " #A);}
+#define b2Assert(A) assert(A)
+//#define b2Assert(A) {if(!(A)) throw love::Exception("Box2D error: " #A);}
 
 
 // need to include NDS jtypes.h instead of