Revert 4a16e83..a86ca85

This rolls back to commit 4a16e83014062984846abcb569436b5a40412d2a.
Revert 058228a..3068276

This rolls back to commit 058228ae28bbe5eefdec44af1d71e56982d9eed6.
Revert "mostly implement all lcd symbols and enable plus symbol for CCM"

This reverts commit 6f7386b1b6eb51a31b91b4948793c0ad736b4ac5.