Fix compiler warning sketch/lcd.cpp:509:1: warning: label 'end' defined but not used [-Wunused-label].

Firmware/lcd.cpp

@@ -506,7 +506,6 @@ uint8_t lcd_escape_write(uint8_t chr)
 		break;
 	}
 	escape_cnt = 0; // reset escape
-end:
 	return 1; // assume sucess
 }