Remove deprecated FileSnapshot.save(long) method

Change-Id: I9b77142127cc96ee6658e85a6cf0586d941c5c0c
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/FileSnapshot.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/FileSnapshot.java
index 8701a12..c4fa3ee 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/FileSnapshot.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/FileSnapshot.java
@@ -139,29 +139,6 @@ private static Object getFileKey(BasicFileAttributes fileAttributes) {
 	 * @param modified
 	 *            the last modification time of the file
 	 * @return the snapshot.
-	 * @deprecated use {@link #save(Instant)} instead.
-	 */
-	@Deprecated
-	public static FileSnapshot save(long modified) {
-		final Instant read = Instant.now();
-		return new FileSnapshot(read, Instant.ofEpochMilli(modified),
-				UNKNOWN_SIZE, FALLBACK_TIMESTAMP_RESOLUTION, MISSING_FILEKEY);
-	}
-
-	/**
-	 * Record a snapshot for a file for which the last modification time is
-	 * already known.
-	 * <p>
-	 * This method should be invoked before the file is accessed.
-	 * <p>
-	 * Note that this method cannot rely on measuring file timestamp resolution
-	 * to avoid racy git issues caused by finite file timestamp resolution since
-	 * it's unknown in which filesystem the file is located. Hence the worst
-	 * case fallback for timestamp resolution is used.
-	 *
-	 * @param modified
-	 *            the last modification time of the file
-	 * @return the snapshot.
 	 */
 	public static FileSnapshot save(Instant modified) {
 		final Instant read = Instant.now();