Remove trailing whitespace in files

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=135386752

java/google/registry/model/common/Cursor.java

@@ -103,7 +103,7 @@ public class Cursor extends ImmutableObject {
 
   /**
    * Checks that the type of the scoped object (or null) matches the required type for the specified
-   * cursor (or null, if the cursor is a global cursor). 
+   * cursor (or null, if the cursor is a global cursor).
    */
   private static void checkValidCursorTypeForScope(
       CursorType cursorType, Key<? extends ImmutableObject> scope) {
@@ -160,12 +160,12 @@ public class Cursor extends ImmutableObject {
   }
 
   /**
-   * Returns the current time for a given cursor, or {@code START_OF_TIME} if the cursor is null. 
+   * Returns the current time for a given cursor, or {@code START_OF_TIME} if the cursor is null.
    */
   public static DateTime getCursorTimeOrStartOfTime(Cursor cursor) {
     return cursor != null ? cursor.getCursorTime() : START_OF_TIME;
   }
-  
+
   public DateTime getCursorTime() {
     return cursorTime;
   }

java/google/registry/model/common/TimeOfYear.java

@@ -73,7 +73,7 @@ public class TimeOfYear extends ImmutableObject {
   /**
    * Returns an {@link Iterable} of {@link DateTime}s of every recurrence of this particular
    * time of year within a given {@link Range} (usually one spanning many years).
-   * 
+   *
    * <p>WARNING: This can return a potentially very large {@link Iterable} if {@code END_OF_TIME}
    * is used as the upper endpoint of the range.
    */

java/google/registry/model/common/TimedTransitionProperty.java

@@ -171,7 +171,7 @@ public class TimedTransitionProperty<V, T extends TimedTransitionProperty.TimedT
 
   /**
    * Validates a new set of transitions and returns the resulting TimedTransitionProperty map.
-   * 
+   *
    * @param newTransitions map from date time to transition value
    * @param transitionClass the class of transitions in this map
    * @param allowedTransitions optional map of all possible state-to-state transitions