[ticket/12119] Remove meta tags from view-print templates

PHPBB3-12119
Merge remote-tracking branch 'vinny/ticket/12119' into develop-olympus

* vinny/ticket/12119:
  [ticket/12119] Remove meta tags from view-print templates
Merge branch 'develop-olympus' into develop

* develop-olympus:
  [ticket/12119] Remove meta tags from view-print templates

Conflicts:
	phpBB/styles/prosilver/template/ucp_pm_viewmessage_print.html
	phpBB/styles/prosilver/template/viewtopic_print.html