Bug 533818 - Improve the Oomph setups for the platform projects

Don't set the eclipse.target.platform variable.  It's set in the root
Platform.setup instead, where it can be managed in one place to help
with the  more frequent release schedules that are planned.

Change-Id: I01e4901fc4f2f06a60b9027eebf07490d746310e
Signed-off-by: Ed Merks <ed.merks@gmail.com>
diff --git a/bundles/org.eclipse.core.resources.releng/platformResources.setup b/bundles/org.eclipse.core.resources.releng/platformResources.setup
index f6235a5..78888e5 100644
--- a/bundles/org.eclipse.core.resources.releng/platformResources.setup
+++ b/bundles/org.eclipse.core.resources.releng/platformResources.setup
@@ -99,13 +99,7 @@
     </workingSet>
   </setupTask>
   <stream name="master"
-      label="Master">
-    <setupTask
-        xsi:type="setup:VariableTask"
-        name="eclipse.target.platform"
-        value="Oxygen"
-        storageURI="scope://Workspace"/>
-  </stream>
+      label="Master"/>
   <logicalProjectContainer
       xsi:type="setup:Project"
       href="index:/org.eclipse.setup#//@projectCatalogs[name='org.eclipse']/@projects[name='platform']"/>