init.el: clean requires according to esup, add highlights colors in guide-key
init.el: use self defines functions to delete not kill, use C-S-k to replace M-k, back to use letter(more than number) to ace-jump-mode
init.el: remove `kill-whole-line` variable config(no effect for `C-k`), rebind `kill-this-buffer` from C-S-k(bound to `my-delete-line-backward`) to C-S-d, hide project name in mode line for ggtags