* refactor keyboards using ST_STM32F072B_DISCOVERY to use 'MCU = STM32F072'
* refactor keyboards using GENERIC_STM32_F042X6 to use 'MCU = STM32F042'
* refactor keyboards using GENERIC_STM32_F103 to use 'MCU = STM32F103'
* Remove keymap_config extern from default keymaps
* Revert unicode
Apparently VSCode does not like unicode, I didn't actually edit these lines, so it must have been automatic... :(
Co-Authored-By: fauxpark <fauxpark@gmail.com>