Remove deprecated configs

Firmware/Configuration.h

@@ -457,17 +457,6 @@ your extruder heater takes 2 minutes to hit the target on heating.
 #endif // CUSTOM_M_CODES
 
 
-// EEPROM
-// The microcontroller can store settings in the EEPROM, e.g. max velocity...
-// M500 - stores parameters in EEPROM
-// M501 - reads parameters from EEPROM (if you need reset them after you changed them temporarily).
-// M502 - reverts to the default "factory settings".  You still need to store them in EEPROM afterwards if you want to.
-//define this to enable EEPROM support
-//#define EEPROM_SETTINGS
-//to disable EEPROM Serial responses and decrease program space by ~1700 byte: comment this out:
-// please keep turned on if you can.
-//#define EEPROM_CHITCHAT
-
 // Host Keepalive
 //
 // When enabled Marlin will send a busy status message to the host

Firmware/ConfigurationStore.cpp

@@ -292,9 +292,6 @@ bool Config_RetrieveSettings()
       previous_settings_retrieved = false;
     }
     }
-    #ifdef EEPROM_CHITCHAT
-      Config_PrintSettings();
-    #endif
   return previous_settings_retrieved;
 }
 #endif