Removal of the constraints of the Iterm

Marlin/temperature.h

         static int lpq_ptr;
       #endif
 
-      static float pid_error[HOTENDS],
-                   temp_iState_min[HOTENDS],
-                   temp_iState_max[HOTENDS];
+      static float pid_error[HOTENDS];
       static bool pid_reset[HOTENDS];
     #endif
 
                    pTerm_bed,
                    iTerm_bed,
                    dTerm_bed,
-                   pid_error_bed,
-                   temp_iState_min_bed,
-                   temp_iState_max_bed;
+                   pid_error_bed;
     #else
       static millis_t next_bed_check_ms;
     #endif