Fix bookmark list in home buffer, clean shortcuts
Fix bookmark list in home buffer, clean shortcuts

bookmark-all-names returns a list of names, but
spacemacs-buffer//insert-file-list expect a list of filenames.

Shortcut definitions seems to be a mix of two approaches/commits.
Removed the unused bits.

tsonntag/dotemacs,tsonntag/dotemacs,tsonntag/dotemacs,tsonntag/dotemacs