pins: Remove support for deprecated pin_map option

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

klippy/mcu.py

@@ -560,8 +560,6 @@ class MCU:
         self._config_cmds = []
         self._restart_cmds = []
         self._init_cmds = []
-        config.deprecate('pin_map')
-        self._pin_map = config.get('pin_map', None)
         self._mcu_freq = 0.
         # Move command queuing
         ffi_main, self._ffi_lib = chelper.get_ffi()
@@ -651,8 +649,6 @@ class MCU:
         mcu_type = self._serial.get_msgparser().get_constant('MCU')
         ppins = self._printer.lookup_object('pins')
         pin_resolver = ppins.get_pin_resolver(self._name)
-        if self._pin_map is not None:
-            pin_resolver.add_pin_mapping(mcu_type, self._pin_map)
         for cmdlist in (self._config_cmds, self._restart_cmds, self._init_cmds):
             for i, cmd in enumerate(cmdlist):
                 cmdlist[i] = pin_resolver.update_command(cmd)