Update git submodules
- Update MinervaNeue from branch 'master' to e24c21555ef674e70b5c80f53f439388a73c78c0
- Merge "Restrict AMC scripts and styles to AMC mode"
- Restrict AMC scripts and styles to AMC mode
These have leaked into all users experience. The CSS appears to be unused outside AMC.
Also remove a reference to skins.minerva.share which does not exist.
See I171831469a6733c458bc5c7ba249a5096ca975b8 which introduced these styles.
Bug: T227929 Change-Id: I6af6b026e68e11327b7c4e3edfc4f812c7309e2e