[FEATURE] Disable Page Information option

Adds an option to disable Page Information function in Web > Page.

Fixes: #32086
Releases: 4.7
Change-Id: Ie1b157e425a20b2495e7e953bbda71fd55c15e83
Reviewed-on: http://review.typo3.org/6916
Reviewed-by: Georg Ringer
Tested-by: Georg Ringer
Reviewed-by: Stefan Neufeind
Reviewed-by: Steffen Ritter
Tested-by: Steffen Ritter