Clean up pins files

Marlin/src/pins/pins_ANET_10.h

Marlin/src/pins/pins_AZSMZ_MINI.h

Marlin/src/pins/pins_AZTEEG_X5_GT.h

Marlin/src/pins/pins_AZTEEG_X5_MINI_WIFI.h

Marlin/src/pins/pins_BIQU_BQ111_A4.h

Marlin/src/pins/pins_BRAINWAVE.h

Marlin/src/pins/pins_BRAINWAVE_PRO.h

Marlin/src/pins/pins_CHEAPTRONIC.h

Marlin/src/pins/pins_CHEAPTRONICv2.h

Marlin/src/pins/pins_CNCONTROLS_12.h

Marlin/src/pins/pins_COHESION3D_MINI.h

Marlin/src/pins/pins_COHESION3D_REMIX.h

Marlin/src/pins/pins_EINSTART-S.h

Marlin/src/pins/pins_EINSY_RAMBO.h

Marlin/src/pins/pins_EINSY_RETRO.h

Marlin/src/pins/pins_ESP32.h

Marlin/src/pins/pins_FYSETC_F6_13.h

Marlin/src/pins/pins_GEN3_PLUS.h

Marlin/src/pins/pins_GEN7_CUSTOM.h

Marlin/src/pins/pins_LEAPFROG.h