⚡️ G12 - Only require used axes to be homed (#23422)

Co-authored-by: Scott Lahteine <thinkyhead@users.noreply.github.com>

Marlin/src/gcode/feature/clean/G12.cpp

@@ -46,7 +46,8 @@
  */
 void GcodeSuite::G12() {
   // Don't allow nozzle cleaning without homing first
-  if (homing_needed_error()) return;
+  if (homing_needed_error(linear_bits & ~TERN0(NOZZLE_CLEAN_NO_Z, Z_AXIS) & ~TERN0(NOZZLE_CLEAN_NO_Y, Y_AXIS)))
+    return;
 
   #ifdef WIPE_SEQUENCE_COMMANDS
     if (!parser.seen_any()) {