Consolidate probe clearance, add section debug (#18576)

* Better section / function log
* Add do_z_clearance motion function

Marlin/src/gcode/bedlevel/G35.cpp

@@ -75,10 +75,9 @@ static_assert(G35_PROBE_COUNT > 2, "TRAMMING_POINT_XY requires at least 3 XY pos
  *               51 - Counter-Clockwise M5
  **/
 void GcodeSuite::G35() {
-  if (DEBUGGING(LEVELING)) {
-    DEBUG_ECHOLNPGM(">>> G35");
-    log_machine_info();
-  }
+  DEBUG_SECTION(log_G35, "G35", DEBUGGING(LEVELING));
+
+  if (DEBUGGING(LEVELING)) log_machine_info();
 
   float z_measured[G35_PROBE_COUNT] = { 0 };
 
@@ -181,8 +180,6 @@ void GcodeSuite::G35() {
 
   // Home Z after the alignment procedure
   process_subcommands_now_P(PSTR("G28Z"));
-
-  if (DEBUGGING(LEVELING)) DEBUG_ECHOLNPGM("<<< G35");
 }
 
 #endif // ASSISTED_TRAMMING