Reduce max accel in Creality configs

Marlin/src/config/examples/Creality/CR-10/Configuration.h

  * Override with M201
  *                                      X, Y, Z, E0 [, E1[, E2[, E3[, E4]]]]
  */
-#define DEFAULT_MAX_ACCELERATION      { 3000, 3000, 100, 5000 }
+#define DEFAULT_MAX_ACCELERATION      { 500, 500, 100, 5000 }
 
 /**
  * Default Acceleration (change/s) change = mm/s

Marlin/src/config/examples/Creality/CR-10S/Configuration.h

  * Override with M201
  *                                      X, Y, Z, E0 [, E1[, E2[, E3[, E4]]]]
  */
-#define DEFAULT_MAX_ACCELERATION      { 3000, 3000, 100, 10000 }
+#define DEFAULT_MAX_ACCELERATION      { 500, 500, 100, 5000 }
 
 /**
  * Default Acceleration (change/s) change = mm/s

Marlin/src/config/examples/Creality/CR-10mini/Configuration.h

  * Override with M201
  *                                      X, Y, Z, E0 [, E1[, E2[, E3[, E4]]]]
  */
-#define DEFAULT_MAX_ACCELERATION      { 3000, 3000, 100, 5000 }
+#define DEFAULT_MAX_ACCELERATION      { 500, 500, 100, 5000 }
 
 /**
  * Default Acceleration (change/s) change = mm/s

Marlin/src/config/examples/Creality/Ender-4/Configuration.h

  * Override with M201
  *                                      X, Y, Z, E0 [, E1[, E2[, E3[, E4]]]]
  */
-#define DEFAULT_MAX_ACCELERATION      { 3000, 3000, 200, 10000 }
+#define DEFAULT_MAX_ACCELERATION      { 500, 500, 100, 5000 }
 
 /**
  * Default Acceleration (change/s) change = mm/s