Jdlrobson 9e81cbf9ae Drop mw-body-content class from #bodyContent
The CSS class is being added to `$this->get( 'bodytext' )`
which will make this class here redundant.

Depends-On: I3a91b294fcb3724cd46743e497dff723de0490a6
Bug: T279388
Change-Id: I8a8e47fd419626ebf7bf44d0b25b16a933c1367a
..
SkinTimeless.php Restore Timeless 1.35 support
TimelessTemplate.php Drop mw-body-content class from #bodyContent
TimelessVariablesModule.php Restore Timeless 1.35 support