Revert "when running remove method, run _pre_remove method to update meta_coord table"

This reverts commit 25f23f365eb702db74e137ce6d77efc39b8617e7.
Revert "when removing features, update meta_coord accordingly"

This reverts commit 24c300387f7fccfc2641a5982ae9cb2f7b650224.
Do not attempt to update meta_coord when removing a feature, this can have bad consequences

Conflicts:

	modules/Bio/EnsEMBL/DBSQL/BaseFeatureAdaptor.pm