Remove an unnecessary var and fix process_close

data/meterpreter/ext_server_stdapi.py

@@ -666,12 +666,11 @@ def stdapi_sys_config_sysinfo(request, response):
 
 @meterpreter.register_function
 def stdapi_sys_process_close(request, response):
-	proc_h_id = packet_get_tlv(request, TLV_TYPE_PROCESS_HANDLE)
+	proc_h_id = packet_get_tlv(request, TLV_TYPE_HANDLE)
 	if not proc_h_id:
 		return ERROR_SUCCESS, response
 	proc_h_id = proc_h_id['value']
-	proc_h = meterpreter.channels[proc_h_id]
-	proc_h.kill()
+	del meterpreter.processes[proc_h_id]
 	return ERROR_SUCCESS, response
 
 @meterpreter.register_function

data/meterpreter/meterpreter.py

@@ -332,7 +332,6 @@ class PythonMeterpreter(object):
 				response = self.create_response(request)
 				self.socket.send(response)
 			else:
-				channels_for_removal = []
 				# iterate over the keys because self.channels could be modified if one is closed
 				channel_ids = list(self.channels.keys())
 				for channel_id in channel_ids: