[API CHANGE] Remove unused ShowAlienFilterWarning

Change-Id: I36efe1d33cda83b6d063b30d9009aa79a3960ef3
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/160896
Tested-by: Jenkins
Reviewed-by: Samuel Mehrbrodt <[email protected]>
diff --git a/officecfg/registry/schema/org/openoffice/Office/TypeDetection.xcs b/officecfg/registry/schema/org/openoffice/Office/TypeDetection.xcs
index 7fd9ddd..31682a7 100644
--- a/officecfg/registry/schema/org/openoffice/Office/TypeDetection.xcs
+++ b/officecfg/registry/schema/org/openoffice/Office/TypeDetection.xcs
@@ -138,12 +138,6 @@
        </info>
        <value>com.sun.star.comp.office.FrameLoader</value>
      </prop>
      <prop oor:name="ShowAlienFilterWarning" oor:type="xs:boolean" oor:nillable="false">
        <info>
          <desc>Displays a warning when a user tries to set a third-party filter as the default filter in "Tools - Options".</desc>
        </info>
        <value>true</value>
      </prop>
    </group>
  </component>
</oor:component-schema>