fixing tag cascade delete when mindmap tagged is deleted

config/database/mysql/create-schemas.sql

@@ -72,8 +72,6 @@ CREATE TABLE R_LABEL_MINDMAP (
   PRIMARY KEY (mindmap_id, label_id),
   FOREIGN KEY (mindmap_id) REFERENCES MINDMAP (id),
   FOREIGN KEY (label_id) REFERENCES LABEL (id)
-    ON DELETE CASCADE
-    ON UPDATE NO ACTION
 )
   CHARACTER SET utf8;
 

wise-webapp/src/main/resources/com/wisemapping/model/Mindmap.hbm.xml

@@ -27,8 +27,7 @@
         </set>
 
         <set name = "labels"
-             table="R_LABEL_MINDMAP"
-             cascade="all">
+             table="R_LABEL_MINDMAP">
             <key column="mindmap_id" not-null="true"/>
             <many-to-many column="label_id" class="com.wisemapping.model.Label"/>
         </set>