ENH: use outer wall acceleration to do calibration

As title.

Signed-off-by: salt.wei <salt.wei@bambulab.com>
Change-Id: Ibf7a9253a9837d6a2148e6ce9c0582ac915fde48

src/libslic3r/GCode.cpp

@@ -1464,13 +1464,6 @@ void GCode::_do_export(Print& print, GCodeOutputStream &file, ThumbnailsGenerato
     // Emit machine envelope limits for the Marlin firmware.
     this->print_machine_envelope(file, print);
 
-    //BBS: emit outer wall accelerate if has non-zero value
-    if (m_config.default_acceleration.value > 0) {
-        float acceleration = m_config.outer_wall_acceleration.value > 0 ?
-                             m_config.outer_wall_acceleration.value : m_config.default_acceleration.value;
-        file.write(m_writer.set_acceleration((unsigned int)floor(acceleration + 0.5)));
-    }
-
     // Disable fan.
     if (print.config().close_fan_the_first_x_layers.get_at(initial_extruder_id)) {
         file.write(m_writer.set_fan(0));