WP Nag Hide
Hide those pesky annoying plugin notifications and inline warnings at the top of all admin…
Plugin tag: nags
WPS Notice Center
WPS Notice Center makes it possible to hide all the instructions and to combine them…
Unagi
Unagi clean-up your WordPress notices from the dashboard and show them under the "Notifications" pages.
SimDex Toggle WP Admin Notifications
Hide / Show Notifications in WordPress Administrator Dashboard