TeamCityPluginPublisher.xml: generate updatePlugins.xml in TC build itself

pluginPublisher/TeamCityPluginPublisher.xml

@@ -84,16 +84,8 @@
       <arg value="${idea.dir}"/>
     </java>
 
-    <!-- Make IDEA custom repository xml -->
-    <echoxml file="${updatePlugins.xml}">
-      <plugins>
-        <plugin id="org.jetbrains.kotlin" url="${plugin.repository.url}/${plugin.filename}" version="${plugin.version}"/>
-      </plugins>
-    </echoxml>
-
     <!-- Everything is ok, publish plugin and xml descriptor -->
     <echo message="##teamcity[buildStatus text='${plugin.filename} has been verified against ${idea.version}']"/>
     <echo message="##teamcity[publishArtifacts '${plugin.path}']"/>
-    <echo message="##teamcity[publishArtifacts '${updatePlugins.xml}']"/>
   </target>
 </project>