Fix a bug that cause glossary of other mods to duplicate the same term for several times.

Warning! Due to the study on this bug, according to Redhook's glossary algorithm on every multiple of a thousand, the following glossary term numbers MUST NOT BE USED BY ANY MOD including this compatibility Fix mod.

These special glossary term numbers which must not exist are:
2990~2999,
3990~3999,
4990~4999,
5990~5999,
6990~6999,
7990~7999,
8990~8999,
9990~9999.

Remove the abandoned comments in XML files and the unnecessary colour folder.