Remove unused API filters.

Change-Id: Ic30bc340dba4e4ddb3737305244e15331d551802
Reviewed-on: https://git.eclipse.org/r/c/platform/eclipse.platform.text/+/189837
Tested-by: Platform Bot <platform-bot@eclipse.org>
Reviewed-by: Alexander Kurtakov <akurtako@redhat.com>
1 file changed