[BI-1680] - added migration to remove method

src/main/resources/db/migration/V1.21.0__remove_breeding_method.sql

@@ -0,0 +1,27 @@
+/*
+ * See the NOTICE file distributed with this work for additional information
+ * regarding copyright ownership.
+ *
+ * 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.
+ */
+
+DO $$
+
+    BEGIN
+        -- Delete any rows with FK.
+        DELETE FROM program_enabled_breeding_methods
+        WHERE breeding_method_id = (SELECT id FROM breeding_method WHERE abbreviation = 'SOC' AND name = 'Somoclone');
+        -- Delete breeding method.
+        DELETE FROM breeding_method
+        WHERE abbreviation = 'SOC' AND name = 'Somoclone';
+    END $$;