tools/lsp: fix +lsp-prompt-to-install-server == 'quiet
tools/lsp: fix +lsp-prompt-to-install-server == 'quiet

Wasn't suppressing output because inhibit-message is overridden in
lsp--message.

hlissner/.emacs.d,hlissner/doom-emacs,hlissner/.emacs.d,hlissner/.emacs.d,hlissner/.emacs.d,hlissner/doom-emacs,hlissner/doom-emacs,hlissner/.emacs.d,hlissner/doom-emacs,hlissner/doom-emacs,hlissner/doom-emacs,hlissner/.emacs.d,hlissner/doom-emacs,hlissner/.emacs.d,hlissner/.emacs.d