gcode: Rename run_script() to run_script_from_command()

Emphasize that the run_script() method is only valid when run from a
g-code command.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>

klippy/extras/delta_calibrate.py

@@ -28,7 +28,7 @@ class DeltaCalibrate:
             desc=self.cmd_DELTA_CALIBRATE_help)
     cmd_DELTA_CALIBRATE_help = "Delta calibration script"
     def cmd_DELTA_CALIBRATE(self, params):
-        self.gcode.run_script("G28")
+        self.gcode.run_script_from_command("G28")
         self.probe_helper.start_probe()
     def get_probed_position(self):
         kin = self.printer.lookup_object('toolhead').get_kinematics()