cleanup and simplify

releng.wtpbuilder/distribution/jsdt.build/build.xml

@@ -49,13 +49,13 @@
             antfile="${buildTargets}">
             <property
                 name="component"
-                value="jsdt-sdk"/>
+                value="jsdt_sdk"/>
         </ant>
         <ant
             antfile="${buildTargets}">
             <property
                 name="component"
-                value="jsdt.tests"/>
+                value="jsdt_tests"/>
             <property
                 name="eclipseBuildFailOnError"
                 value="false"/>