remove obsolete plugin from feature.xml

Author: dietzc

org.knime.scijava.feature/feature.xml

@@ -739,10 +739,4 @@ propagated with or for interoperation with KNIME.
          install-size="0"
          version="0.0.0"/>
 
-   <plugin
-         id="org.knime.knip.scijava.commands"
-         download-size="0"
-         install-size="0"
-         version="0.0.0"/>
-
 </feature>