Removed html and added rumba

Found some unwanted html at the bottom of the file which caused it to not be able to compile.
Also added rumba as machine.

Marlin/language.h

 #if MOTHERBOARD == 7 || MOTHERBOARD == 71
 	#define MACHINE_NAME "Ultimaker"
 	#define FIRMWARE_URL "http://firmware.ultimaker.com"
+#elif MOTHERBOARD == 80
+	#define MACHINE_NAME "Rumba"
+	#define FIRMWARE_URL "https://github.com/ErikZalm/Marlin/"
 #else
 	#define MACHINE_NAME "Mendel"
 	#define FIRMWARE_URL "http://www.mendel-parts.com"
 	#define MSG_ERR_LONG_EXTRUDE_STOP " liian pitka pursotus estetty"
 
 #endif
-#endif // ifndef LANGUAGE_H
-</pre></body></html>
+#endif // ifndef LANGUAGE_H