Cleanup language.h includes

Remove a few redundant language.h includes

Also remove language.h include from cmdqueue.h to prevent including language.h unnecessarily

Fix missing message.h includes in a few files

Firmware/Filament_sensor.cpp

@@ -5,7 +5,9 @@
 #include "Filament_sensor.h"
 #include "Timer.h"
 #include "eeprom.h"
+#include "language.h"
 #include "menu.h"
+#include "messages.h"
 #include "planner.h"
 #include "temperature.h"
 #include "ultralcd.h"

Firmware/Prusa_farm.cpp

@@ -7,6 +7,7 @@
 #include "util.h"
 #include "ultralcd.h"
 #include "Filament_sensor.h"
+#include "language.h"
 
 #ifdef PRUSA_FARM
 uint8_t farm_mode = 0;

Firmware/cmdqueue.cpp

@@ -5,6 +5,8 @@
 #include "ultralcd.h"
 #include "Prusa_farm.h"
 #include "meatpack.h"
+#include "messages.h"
+#include "language.h"
 
 // Reserve BUFSIZE lines of length MAX_CMD_SIZE plus CMDBUFFER_RESERVE_FRONT.
 char cmdbuffer[BUFSIZE * (MAX_CMD_SIZE + 1) + CMDBUFFER_RESERVE_FRONT];

Firmware/cmdqueue.h

@@ -2,8 +2,6 @@
 #define CMDQUEUE_H
 
 #include "Marlin.h"
-#include "language.h"
-
 
 // String circular buffer. Commands may be pushed to the buffer from both sides:
 // Chained commands will be pushed to the front, interactive (from LCD menu) 

Firmware/eeprom.cpp

@@ -8,9 +8,6 @@
 #include <avr/eeprom.h>
 #include <stdint.h>
 
-
-#include "language.h"
-
 void eeprom_init()
 {
     eeprom_init_default_byte((uint8_t*)EEPROM_POWER_COUNT, 0);

Firmware/first_lay_cal.cpp

@@ -5,8 +5,8 @@
 
 #include "first_lay_cal.h"
 #include "Configuration_var.h"
-#include "language.h"
 #include "Marlin.h"
+#include "messages.h"
 #include "cmdqueue.h"
 #include "mmu2.h"
 #include <avr/pgmspace.h>

Firmware/stepper.cpp

@@ -26,7 +26,6 @@
 #include "planner.h"
 #include "temperature.h"
 #include "ultralcd.h"
-#include "language.h"
 #include "cardreader.h"
 #include "speed_lookuptable.h"
 #if defined(DIGIPOTSS_PIN) && DIGIPOTSS_PIN > -1