Fix handwired/ms_sculpt_mobile default keymap (#16032)

keyboards/handwired/ms_sculpt_mobile/keymaps/milestogo/rules.mk

@@ -15,3 +15,6 @@ UNICODE_ENABLE = no         # Unicode
 BLUETOOTH_ENABLE = no       # Enable Bluetooth with the Adafruit EZ-Key HID
 RGBLIGHT_ENABLE = no        # Enable WS2812 RGB underlight. 
 SLEEP_LED_ENABLE = no       # Breathing sleep LED during USB suspend
+
+# Keymap specific files
+SRC = babblePaste.c

keyboards/handwired/ms_sculpt_mobile/rules.mk

@@ -24,6 +24,3 @@ COMMAND_ENABLE = yes        # Commands for debug and configuration
 NKRO_ENABLE = no            # Enable N-Key Rollover
 BACKLIGHT_ENABLE = no       # Enable keyboard backlight functionality
 AUDIO_ENABLE = no           # Audio output
-
-# Project specific files
-SRC = babblePaste.c