[TASK] Remove tx_cms_webinfo and tx_cms_webinfo_lang

Remove tx_cms_webinfo and tx_cms_webinfo_lang and use
their namespaced variant for registration into web_info module.

Resolves: #61218
Releases: 6.3
Change-Id: I66c25241197d0b3898aee3e126f0b5b212e38a45
Reviewed-on: http://review.typo3.org/32409
Tested-by: Alexander Opitz <opitz.alexander@googlemail.com>
Reviewed-by: Alexander Opitz <opitz.alexander@googlemail.com>
Reviewed-by: Markus Klein <klein.t3@reelworx.at>
Tested-by: Markus Klein <klein.t3@reelworx.at>