Move 'last_pause_state' closer to usage

Marlin/src/module/temperature.cpp

     if (!inited) return watchdog_refresh();
   #endif
 
-  #if BOTH(PROBING_HEATERS_OFF, BED_LIMIT_SWITCHING)
-    static bool last_pause_state;
-  #endif
-
   #if ENABLED(EMERGENCY_PARSER)
     if (emergency_parser.killed_by_M112) kill(M112_KILL_STR, nullptr, true);
   #endif
       }
     #endif // WATCH_BED
 
+    #define PAUSE_CHANGE_REQD BOTH(PROBING_HEATERS_OFF, BED_LIMIT_SWITCHING)
+    #if PAUSE_CHANGE_REQD
+      static bool last_pause_state;
+    #endif
+
     do {
 
       #if DISABLED(PIDTEMPBED)
         if (PENDING(ms, next_bed_check_ms)
-          #if BOTH(PROBING_HEATERS_OFF, BED_LIMIT_SWITCHING)
+          #if PAUSE_CHANGE_REQD
             && paused == last_pause_state
           #endif
         ) break;
         next_bed_check_ms = ms + BED_CHECK_INTERVAL;
-        #if BOTH(PROBING_HEATERS_OFF, BED_LIMIT_SWITCHING)
+        #if PAUSE_CHANGE_REQD
           last_pause_state = paused;
         #endif
       #endif