Fix compile issues with devastatingtkl (#8765)

keyboards/cannonkeys/devastatingtkl/rules.mk

@@ -10,7 +10,6 @@ EXTRAKEY_ENABLE = yes	# Audio control and System control
 CONSOLE_ENABLE = yes	# Console for debug
 COMMAND_ENABLE = yes    # Commands for debug and configuration
 SLEEP_LED_ENABLE = no   # Breathing sleep LED during USB suspend
-``
 NKRO_ENABLE = yes	    # USB Nkey Rollover
 CUSTOM_MATRIX = no # Custom matrix file
 BACKLIGHT_ENABLE = yes