Removes redundant {} which cause build failure when DEBUG_ACTION is set

tmk_core/common/action_tapping.c

@@ -257,7 +257,7 @@ bool process_tapping(keyrecord_t *keyp)
                     return true;
                 }
             } else {
-                if (!IS_NOEVENT(event)) debug("Tapping: other key just after tap.\n") {};
+                if (!IS_NOEVENT(event)) debug("Tapping: other key just after tap.\n");
                 process_record(keyp);
                 return true;
             }