Revert "next attempt"

This reverts commit 9c88343a59.

keyboards/callmemero/rules.mk

@@ -0,0 +1,35 @@
+# MCU name
+MCU = RP2040
+
+# Bootloader selection
+BOOTLOADER = rp2040
+
+# Ignore some warnings during the build, likely to be fixed before RP2040 PR is merged
+ALLOW_WARNINGS = yes
+
+# For bilateral combinations patch
+DEFERRED_EXEC_ENABLE = yes
+
+# LTO must be disabled for RP2040 builds
+LTO_ENABLE = no
+
+SPLIT_KEYBOARD = yes
+SWAP_HANDS_ENABLE = yes
+
+# PIO serial/WS2812 drivers must be used on RP2040
+SERIAL_DRIVER = vendor
+WS2812_DRIVER = vendor
+
+#SPACE SAVING
+EXTRAKEY_ENABLE = yes
+AUDIO_ENABLE = no
+MUSIC_ENABLE = no
+AUTO_SHIFT_ENABLE = no
+LTO_ENABLE = no
+CONSOLE_ENABLE = no
+COMMAND_ENABLE = no
+MOUSEKEY_ENABLE = yes
+SPACE_CADET_ENABLE = no
+GRAVE_ESC_ENABLE = no 
+MAGIC_ENABLE = no
+