Remove the advertising clause from the BSD license in timing.h.

I have the email trail to prove that George Neville-Neil approved this.
(Backport of r62097.)

Modules/timing.h

@@ -10,14 +10,11 @@
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *	This product includes software developed by George V. Neville-Neil
- * 4. The name, George Neville-Neil may not be used to endorse or promote 
- *    products derived from this software without specific prior 
+ * 3. The name, George Neville-Neil may not be used to endorse or promote
+ *    products derived from this software without specific prior
  *    written permission.
  *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE