Simpler debug output for deploy/stow

Marlin/Marlin_main.cpp

 
     if (stow) {
       #if ENABLED(DEBUG_LEVELING_FEATURE)
-        if (DEBUGGING(LEVELING)) SERIAL_ECHOLNPGM("> stow_z_probe");
+        if (DEBUGGING(LEVELING)) SERIAL_ECHOPGM("> ");
       #endif
       stow_z_probe();
     }
     #if HAS_BED_PROBE
       if (axis == Z_AXIS && axis_home_dir < 0) {
         #if ENABLED(DEBUG_LEVELING_FEATURE)
-          if (DEBUGGING(LEVELING)) SERIAL_ECHOLNPGM(" > deploy_z_probe()");
+          if (DEBUGGING(LEVELING)) SERIAL_ECHOPGM("> ");
         #endif
         deploy_z_probe();
       }
     #if HAS_BED_PROBE
       if (axis == Z_AXIS && axis_home_dir < 0) {
         #if ENABLED(DEBUG_LEVELING_FEATURE)
-          if (DEBUGGING(LEVELING)) SERIAL_ECHOLNPGM(" > stow_z_probe()");
+          if (DEBUGGING(LEVELING)) SERIAL_ECHOPGM("> ");
         #endif
         stow_z_probe();
       }