Remove redundant ultralcd includes in Marlin_main

This also removes two definitions
- ULTRALCD
- LCD_USE_I2C_BUZZER
Neither of them are defined anywhere

Firmware/Marlin_main.cpp

@@ -113,10 +113,6 @@
 #include "Wire.h"
 #endif
 
-#ifdef ULTRALCD
-#include "ultralcd.h"
-#endif
-
 #if NUM_SERVOS > 0
 #include "Servo.h"
 #endif
@@ -129,8 +125,6 @@
 
 #define VERSION_STRING  "1.0.2"
 
-
-#include "ultralcd.h"
 #include "sound.h"
 
 #include "cmdqueue.h"
@@ -7336,7 +7330,7 @@ Sigma_Exit:
       break;
     #endif // NUM_SERVOS > 0
 
-    #if (LARGE_FLASH == true && ( BEEPER > 0 || defined(ULTRALCD) || defined(LCD_USE_I2C_BUZZER)))
+    #if (LARGE_FLASH == true && BEEPER > 0 )
     
     /*!
 	### M300 - Play tone <a href="https://reprap.org/wiki/G-code#M300:_Play_beep_sound">M300: Play beep sound</a>