* removed cases that can't happen based on Kierons comments

* removed a dubious sql patch commit

sql/patch_87_88.b.sql

--- Copyright [1999-2015] Wellcome Trust Sanger Institute and the EMBL-European Bioinformatics Institute
--- Copyright [2016-2017] EMBL-European Bioinformatics Institute
--- 
--- Licensed under the Apache License, Version 2.0 (the "License");
--- you may not use this file except in compliance with the License.
--- You may obtain a copy of the License at
--- 
---      http://www.apache.org/licenses/LICENSE-2.0
--- 
--- Unless required by applicable law or agreed to in writing, software
--- distributed under the License is distributed on an "AS IS" BASIS,
--- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
--- See the License for the specific language governing permissions and
--- limitations under the License.
-
-# patch_87_88_b.sql
-#
-# Title: Allow seq_region name to be longer
-#
-# Description:
-# Name in seq_region table will be enlarged to VARCHAR(255)
-
-ALTER TABLE seq_region MODIFY COLUMN name VARCHAR(255) NOT NULL;
-
-# Patch identifier
-INSERT INTO meta (species_id, meta_key, meta_value)
-  VALUES (NULL, 'patch', 'patch_87_88_b.sql|seq_region_name_255');