[Keyboard] Fix over sized compiliation for Bandiominedoni via keymap (#15607)

keyboards/bandominedoni/keymaps/via/rules.mk

@@ -1,4 +1,3 @@
 RGB_MATRIX_ENABLE = yes      # Use RGB matrix (Don't enable this when RGBLIGHT_ENABLE is used.)
 RGB_MATRIX_CUSTOM_KB = yes   #
 VIA_ENABLE = yes
-MOUSEKEY_ENABLE = yes        # Mouse keys