Removes dartc reliance on its own libraries, now can be targeted at any implementation's libraries

editor/tools/features/com.google.dart.tools.deploy.feature_releng/build_rcp.xml

 <!--
 This build script will build the Dart RCP and Dart update site.  
 
 This script will setup the PDE build structure and then call into the PDE
 build system.  The PDE build system has to run under Eclipse.
 -->
 <project name="build_dart" default="build_rcp">
     
     <import file="build-common.xml" />
 
@@ skipping 241 matching lines @@
             <arg value="-q"/>
             <arg value="${build.dart.sdk.zip}"/>
         </exec>
     </target>
 
     <!-- - - - - - - - - - - - - - - - - - - 
           target: installSdk
           Install the sdk zip if build.os is set
          - - - - - - - - - - - - - - - - - -->
     <target name="installSdk" depends="installSdkInNonWindows, installSdkInWindows">
-        <copy file="${build.source}/tools/plugins/com.google.dart.tools.core/import.config" 
-              todir="${build.stage.include.dir}/dart-sdk/lib" />
     </target>
     
     <!-- - - - - - - - - - - - - - - - - - 
           target: setupDevWorkspace
          - - - - - - - - - - - - - - - - - -->
     <target name="setupDevWorkspace" 
             depends="initDevWorkspace, buildSamples, installSdk">
     </target>
     
     <!-- - - - - - - - - - - - - - - - - - 
@@ skipping 166 matching lines @@
         </copy>
     </target>
 
     <!-- - - - - - - - - - - - - - - - - - 
           target: doDeploy_rcp                      
          - - - - - - - - - - - - - - - - - -->
     <target name="doDeploy_rcp" depends="init, setupBuild, doBuild_rcp, package_rcp">
     </target>
 
 </project>