moved unicodemap rules to localer make

keyboards/frosty_flake/rules.mk

@@ -63,7 +63,6 @@ NKRO_ENABLE ?= no            # USB Nkey Rollover
 BACKLIGHT_ENABLE ?= no       # Enable keyboard backlight functionality on B7 by default
 MIDI_ENABLE ?= no            # MIDI controls
 UNICODE_ENABLE ?= no         # Unicode
-UNICODEMAP_ENABLE ?= yes
 BLUETOOTH_ENABLE ?= no       # Enable Bluetooth with the Adafruit EZ-Key HID
 AUDIO_ENABLE ?= no           # Audio output on port C6
 FAUXCLICKY_ENABLE ?= no      # Use buzzer to emulate clicky switches