Big cleanup

- standardize the documentation in my config files
- Removed all the unused/unneeded feature .c/.h files (including RGBmatrix)
- now that I think I have my featureset set, I consolidated my rules.mk to
lessen the 'include if' commands

users/t4corun/config/tapping_config.h

@@ -1,8 +1,10 @@
 #pragma once
 
-/*
-https://docs.qmk.fm/#/tap_hold
-https://docs.qmk.fm/#/one_shot_keys
+/* Tapping, Oneshot
+*
+* https://docs.qmk.fm/#/tap_hold
+* https://docs.qmk.fm/#/one_shot_keys
+*
 */