Remove unnecessary type specifications

Since Java 7 the diamond operator can be used instead of explicit
type parameters.

Change-Id: I2dee5fce7afebb1d9088eeaec4484ee58b4fa492
Signed-off-by: Carsten Hammer <carsten.hammer@t-online.de>
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>

org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/GitFilter.java

@@ -202,7 +202,7 @@ public class GitFilter extends MetaFilter {
 		if (resolver == null) {
 			File root = getFile(filterConfig, "base-path");
 			boolean exportAll = getBoolean(filterConfig, "export-all");
-			setRepositoryResolver(new FileResolver<HttpServletRequest>(root, exportAll));
+			setRepositoryResolver(new FileResolver<>(root, exportAll));
 		}
 
 		initialized = true;

org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/pack/PackWriter.java

@@ -1502,7 +1502,7 @@ public class PackWriter implements AutoCloseable {
 
 		Executor executor = config.getExecutor();
 		final List<Throwable> errors =
-				Collections.synchronizedList(new ArrayList<Throwable>(threads));
+				Collections.synchronizedList(new ArrayList<>(threads));
 		if (executor instanceof ExecutorService) {
 			// Caller supplied us a service, use it directly.
 			runTasks((ExecutorService) executor, pm, taskBlock, errors);

org.eclipse.jgit/src/org/eclipse/jgit/util/io/IsolatedOutputStream.java

@@ -88,7 +88,7 @@ public class IsolatedOutputStream extends OutputStream {
 	public IsolatedOutputStream(OutputStream out) {
 		dst = out;
 		copier = new ThreadPoolExecutor(1, 1, 0, TimeUnit.MILLISECONDS,
-				new ArrayBlockingQueue<Runnable>(1), new NamedThreadFactory());
+				new ArrayBlockingQueue<>(1), new NamedThreadFactory());
 	}
 
 	/** {@inheritDoc} */