cli: remove --pretty from inapplicable commands
cli: remove --pretty from inapplicable commands

Only `cockroach sql`, `cockroach user`, and `cockroach node` print
tables, and thus only these commands should expose --pretty to allow
users to toggle pretty-formatting of these tables.

maxlang/cockroach,maxlang/cockroach,vaibhavarora/cockroach,maxlang/cockroach,paperstreet/cockroach,vaibhavarora/cockroach,vaibhavarora/cockroach,paperstreet/cockroach,vaibhavarora/cockroach,vaibhavarora/cockroach,vaibhavarora/cockroach,maxlang/cockroach,paperstreet/cockroach,paperstreet/cockroach,paperstreet/cockroach,vaibhavarora/cockroach,paperstreet/cockroach,maxlang/cockroach,vaibhavarora/cockroach,maxlang/cockroach,maxlang/cockroach,paperstreet/cockroach,maxlang/cockroach,paperstreet/cockroach