Patch Travis test for bed leveling

.travis.yml

   - opt_enable PIDTEMPBED
   - build_marlin
   #
-  # Test AUTO_BED_LEVELING & DEBUG_LEVELING_FEATURE
+  # Test AUTO_BED_LEVELING_FEATURE & DEBUG_LEVELING_FEATURE with a Servo Probe
   #
   - restore_configs
-  - opt_enable ENABLE_AUTO_BED_LEVELING DEBUG_LEVELING_FEATURE
+  - opt_enable AUTO_BED_LEVELING_FEATURE DEBUG_LEVELING_FEATURE
+  - opt_enable NUM_SERVOS Z_ENDSTOP_SERVO_NR Z_SERVO_ANGLES DEACTIVATE_SERVOS_AFTER_MOVE
   - build_marlin
   #
   # Test MESH_BED_LEVELING feature, with LCD
   - opt_enable MESH_BED_LEVELING MESH_G28_REST_ORIGIN MANUAL_BED_LEVELING ULTIMAKERCONTROLLER
   - build_marlin
   #
-  # Test AUTO_BED_LEVELING & DEBUG_LEVELING_FEATURE with Servos
-  #
-  - opt_enable NUM_SERVOS Z_ENDSTOP_SERVO_NR Z_SERVO_ANGLES DEACTIVATE_SERVOS_AFTER_MOVE
-  - build_marlin
-  #
   # Test EEPROM_SETTINGS, EEPROM_CHITCHAT, M100_FREE_MEMORY_WATCHER,
   #   INCH_MODE_SUPPORT, TEMPERATURE_UNITS_SUPPORT
   #