Move PP() and PP2() macros to basic_macros.h

Instead of redefining them everywhere.

src/content_abm.cpp

@@ -29,8 +29,6 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "scripting_game.h"
 #include "log.h"
 
-#define PP(x) "("<<(x).X<<","<<(x).Y<<","<<(x).Z<<")"
-
 void add_legacy_abms(ServerEnvironment *env, INodeDefManager *nodedef) {
 
 }