Combine some travis tests

.travis.yml

   # Test a probeless build of AUTO_BED_LEVELING_UBL
   #
   - restore_configs
-  - opt_enable AUTO_BED_LEVELING_UBL G26_MESH_EDITING ENABLE_LEVELING_FADE_HEIGHT EEPROM_SETTINGS G3D_PANEL
-  - opt_enable_adv CUSTOM_USER_MENUS I2C_POSITION_ENCODERS BABYSTEPPING
+  - opt_enable AUTO_BED_LEVELING_UBL DEBUG_LEVELING_FEATURE G26_MESH_EDITING ENABLE_LEVELING_FADE_HEIGHT EEPROM_SETTINGS EEPROM_CHITCHAT G3D_PANEL
+  - opt_enable_adv CUSTOM_USER_MENUS I2C_POSITION_ENCODERS BABYSTEPPING NANODLP_Z_SYNC
   - build_marlin
   #
-  # And with a probe...
+  # And with a Sled Z Probe
   #
-  - opt_enable FIX_MOUNTED_PROBE
-  - build_marlin
-  #
-  # Test a Sled Z Probe
-  # ...with AUTO_BED_LEVELING_LINEAR, DEBUG_LEVELING_FEATURE, EEPROM_SETTINGS, and EEPROM_CHITCHAT
-  #
-  - restore_configs
-  - opt_enable Z_PROBE_SLED AUTO_BED_LEVELING_LINEAR DEBUG_LEVELING_FEATURE EEPROM_SETTINGS EEPROM_CHITCHAT
+  - opt_enable Z_PROBE_SLED 
   - build_marlin
   #
   # Test a Servo Probe