walks: Remove deprecated #createReachabilityChecker() method

Change-Id: If9375ac49fa82e988e0708d89f0f929495e6e7cc

org.eclipse.jgit/src/org/eclipse/jgit/revwalk/ObjectWalk.java

diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/ObjectWalk.java b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/ObjectWalk.java
index 385f073..7c763bc 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/ObjectWalk.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/ObjectWalk.java
@@ -164,29 +164,6 @@ private ObjectWalk(ObjectReader or, boolean closeReader) {
 	}
 
 	/**
-	 * Create an object reachability checker that will use bitmaps if possible.
-	 *
-	 * This reachability checker accepts any object as target. For checks
-	 * exclusively between commits, see
-	 * {@link RevWalk#createReachabilityChecker()}.
-	 *
-	 * @return an object reachability checker, using bitmaps if possible.
-	 *
-	 * @throws IOException
-	 *             when the index fails to load.
-	 *
-	 * @since 5.8
-	 * @deprecated use
-	 *             {@code ObjectReader#createObjectReachabilityChecker(ObjectWalk)}
-	 *             instead.
-	 */
-	@Deprecated
-	public final ObjectReachabilityChecker createObjectReachabilityChecker()
-			throws IOException {
-		return reader.createObjectReachabilityChecker(this);
-	}
-
-	/**
 	 * Mark an object or commit to start graph traversal from.
 	 * <p>
 	 * Callers are encouraged to use

org.eclipse.jgit/src/org/eclipse/jgit/revwalk/RevWalk.java

diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/RevWalk.java b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/RevWalk.java
index 76c14e9..9f0e28d 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/RevWalk.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/RevWalk.java
@@ -31,9 +31,9 @@
 import org.eclipse.jgit.errors.MissingObjectException;
 import org.eclipse.jgit.errors.RevWalkException;
 import org.eclipse.jgit.internal.JGitText;
+import org.eclipse.jgit.internal.storage.commitgraph.CommitGraph;
 import org.eclipse.jgit.lib.AnyObjectId;
 import org.eclipse.jgit.lib.AsyncObjectLoaderQueue;
-import org.eclipse.jgit.internal.storage.commitgraph.CommitGraph;
 import org.eclipse.jgit.lib.Constants;
 import org.eclipse.jgit.lib.MutableObjectId;
 import org.eclipse.jgit.lib.NullProgressMonitor;
@@ -279,23 +279,6 @@ public ObjectReader getObjectReader() {
 	}
 
 	/**
-	 * Get a reachability checker for commits over this revwalk.
-	 *
-	 * @return the most efficient reachability checker for this repository.
-	 * @throws IOException
-	 *             if it cannot open any of the underlying indices.
-	 *
-	 * @since 5.4
-	 * @deprecated use {@code ObjectReader#createReachabilityChecker(RevWalk)}
-	 *             instead.
-	 */
-	@Deprecated
-	public final ReachabilityChecker createReachabilityChecker()
-			throws IOException {
-		return reader.createReachabilityChecker(this);
-	}
-
-	/**
 	 * {@inheritDoc}
 	 * <p>
 	 * Release any resources used by this walker's reader.