Revert "ui.gadgets.editors: make Ctrl-A select-all if at column 0."
Revert "ui.gadgets.editors: make Ctrl-A select-all if at column 0."

This reverts commit 9287b05d57ee40c4e41f7c9c52a4c8f7ac25d6bc.

factor/factor,mrjbq7/factor,bpollack/factor,tgunr/factor,factor/factor,bpollack/factor,tgunr/factor,mrjbq7/factor,bpollack/factor,factor/factor,mrjbq7/factor,mrjbq7/factor,factor/factor,mrjbq7/factor,tgunr/factor,bpollack/factor,bpollack/factor,factor/factor,tgunr/factor,bpollack/factor,factor/factor,tgunr/factor,tgunr/factor,bpollack/factor,mrjbq7/factor