Issue #2286655 by alexpott, attiks, mark_fullmer, nielsonm, Mark Slatinek, quietone, catch, dawehner, aburke626, justafish: Gender neutral language

Issue #2807705 by alexpott, dawehner, aburke626: FormattableMarkup::placeholderFormat() can result in unsafe replacements

Revert "Issue #2807705 by alexpott, dawehner, aburke626: FormattableMarkup::placeholderFormat() can result in unsafe replacements"

This reverts commit 8477ed5a.

Issue #2807705 by alexpott, dawehner, aburke626: FormattableMarkup::placeholderFormat() can result in unsafe replacements