Renamed parse to from to use the same name in other drivers

Removed merge methods as the func is a duplicate of `from`

Author: Zhen Li

driver/src/main/java/org/neo4j/driver/Bookmark.java

@@ -18,7 +18,6 @@
  */
 package org.neo4j.driver;
 
-import java.util.Arrays;
 import java.util.Set;
 
 import org.neo4j.driver.internal.InternalBookmark;
@@ -38,19 +37,16 @@ public interface Bookmark
 {
     /**
      * Returns a read-only set of bookmark strings that this bookmark instance identifies.
-     * This method shall only be used to serialize bookmarks.
      * @return a read-only set of bookmark strings that this bookmark instance identifies.
      */
     Set<String> values();
 
     /**
-     * Reconstruct bookmark from de-serialized bookmarks string values.
-     * This method shall not be used to create non-existing bookmarks from random string values.
-     * To create a bookmark from two and more existing bookmarks, using {@link this#merge(Bookmark...)} and {@link this#merge(Iterable)} instead.
+     * Reconstruct bookmark from \bookmarks string values.
      * @param values values obtained from a previous bookmark.
      * @return A bookmark.
      */
-    static Bookmark parse( Set<String> values )
+    static Bookmark from( Set<String> values )
     {
         return InternalBookmark.parse( values );
     }
@@ -60,24 +56,4 @@ static Bookmark parse( Set<String> values )
      * @return true if the bookmark is empty.
      */
     boolean isEmpty();
-
-    /**
-     * Merge more than one bookmarks together into one bookmark.
-     * @param bookmarks bookmarks to merge
-     * @return Merged single bookmark.
-     */
-    static Bookmark merge( Bookmark... bookmarks )
-    {
-        return merge( Arrays.asList( bookmarks ) );
-    }
-
-    /**
-     * Merge more than one bookmarks together into one bookmark.
-     * @param bookmarks bookmarks to merge
-     * @return Merged singled bookmark.
-     */
-    static Bookmark merge( Iterable<Bookmark> bookmarks )
-    {
-        return InternalBookmark.from( bookmarks );
-    }
 }