Revert: 443287: Upgrade to RAP 3.0 AND

update to RAP 2.3 SR2

Change-Id: Iac5dc73dff796887ff9ee13e12a83d6e80a04b84
diff --git a/org.eclipse.scout.rt.rap.target/org.eclipse.scout.rt.rap.target_template.target b/org.eclipse.scout.rt.rap.target/org.eclipse.scout.rt.rap.target_template.target
index 6900c05..c0d26b8 100644
--- a/org.eclipse.scout.rt.rap.target/org.eclipse.scout.rt.rap.target_template.target
+++ b/org.eclipse.scout.rt.rap.target/org.eclipse.scout.rt.rap.target_template.target
@@ -2,7 +2,7 @@
 <?pde version="3.6"?><target name="Rap" sequenceNumber="13">
   <locations>
     <location includeAllPlatforms="true" includeMode="slicer" includeSource="true" type="InstallableUnit">
-    <repository id="rap_3.0" location="http://download.eclipse.org/rt/rap/3.0/RC4-20150602-0950/"/>
+    <repository id="rap_3.0" location="http://download.eclipse.org/rt/rap/2.3/SR2-20150128-1013/"/>
       <unit id="org.eclipse.rap.feature.feature.group" version="0.0.0"/>
     </location>