Remove numeric_range filter

As done with #4034, `numeric_range` filter has been deprecated since 1.0.0.

Closes #7108.

src/main/java/org/elasticsearch/index/query/FilterBuilders.java

@@ -296,19 +296,6 @@ public static RangeFilterBuilder rangeFilter(String name) {
         return new RangeFilterBuilder(name);
     }
 
-    /**
-     * A filter that restricts search results to values that are within the given numeric range. Uses the
-     * field data cache (loading all the values for the specified field into memory)
-     *
-     * @param name The field name
-     * @deprecated The numeric_range filter will be removed at some point in time in favor for the range filter with
-     *             the execution mode <code>fielddata</code>.
-     */
-    @Deprecated
-    public static NumericRangeFilterBuilder numericRangeFilter(String name) {
-        return new NumericRangeFilterBuilder(name);
-    }
-
     /**
      * A filter that simply wraps a query.
      *