Clean up target platform

Until #495 can be resolved
fully, apply some of the required changes.

- wildwebdeveloper was out of date, however we don't really
  need wwd in CDT, but some of our dependencies have requirements
  that are fufilled (e.g. linuxtools)
- duplicate entry for hamcrest 2.2 removed (other entry was just
  above it!)

releng/org.eclipse.cdt.target/cdt.target

@@ -47,8 +47,7 @@
 			<unit id="org.eclipse.cdt.feature.group" version="0.0.0" />
 		</location>
 		<location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
-			<repository location="https://download.eclipse.org/wildwebdeveloper/releases/0.15.0/" />
-			<unit id="org.eclipse.wildwebdeveloper.embedder.node.feature.feature.group" version="0.0.0" />
+			<repository location="https://download.eclipse.org/wildwebdeveloper/releases/latest/" />
 		</location>
 		<location includeDependencyDepth="none" includeDependencyScopes="compile" includeSource="true" label="DirectFromMaven" missingManifest="error" type="Maven">
 			<dependencies>
@@ -142,12 +141,6 @@
 					<version>2.2</version>
 					<type>jar</type>
 				</dependency>
-				<dependency>
-					<groupId>org.hamcrest</groupId>
-					<artifactId>hamcrest</artifactId>
-					<version>2.2</version>
-					<type>jar</type>
-				</dependency>
 			</dependencies>
 		</location>
 		<location includeDependencyDepth="none" includeDependencyScopes="compile" includeSource="true" label="ASM" missingManifest="error" type="Maven">