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

Instead of redefining them everywhere.

src/environment.cpp

@@ -44,10 +44,9 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "map.h"
 #include "emerge.h"
 #include "util/serialize.h"
+#include "util/basic_macros.h"
 #include "threading/mutex_auto_lock.h"
 
-#define PP(x) "("<<(x).X<<","<<(x).Y<<","<<(x).Z<<")"
-
 #define LBM_NAME_ALLOWED_CHARS "abcdefghijklmnopqrstuvwxyz0123456789_:"
 
 // A number that is much smaller than the timeout for particle spawners should/could ever be