NEW YORK--(BUSINESS WIRE)--Fitch Ratings withdraws the 'F1+' rating on the following notes: -- Houston (TX) general obligation commercial paper notes series E-1. The rating withdrawal is in connection with a substitution of the standby bond purchase agreement that previously supported the notes. Fitch was not asked to provide a rating on any replacement facility. Additional information is available at 'www.fitchratings.com'. Applicable Criteria Rating Guidelines for Variable-Rate Demand Obligat