templates/generic: Remove unused "page.jinja" template
templates/generic: Remove unused "page.jinja" template

Turbo87/skylines,skylines-project/skylines,RBE-Avionik/skylines,RBE-Avionik/skylines,Turbo87/skylines,skylines-project/skylines,Harry-R/skylines,Harry-R/skylines,skylines-project/skylines,shadowoneau/skylines,Harry-R/skylines,Turbo87/skylines,shadowoneau/skylines,Turbo87/skylines,RBE-Avionik/skylines,shadowoneau/skylines,RBE-Avionik/skylines,shadowoneau/skylines,Harry-R/skylines,skylines-project/skylines