removed escapeLikeCharacter method, as it is covered by parent implementation (#1274)

src/main/java/io/ebean/config/dbplatform/db2/DB2Platform.java

@@ -46,10 +46,6 @@ public class DB2Platform extends DatabasePlatform {
     persistBatchOnCascade = PersistBatch.NONE;
   }
 
-  @Override
-  protected void escapeLikeCharacter(char ch, StringBuilder sb) {
-    sb.append('|').append(ch);
-  }
   /**
    * Return a DB2 specific sequence IdGenerator that supports batch fetching
    * sequence values.

src/main/java/io/ebean/config/dbplatform/mysql/MySqlPlatform.java

@@ -67,8 +67,4 @@ public class MySqlPlatform extends DatabasePlatform {
     return sql + " for update";
   }
 
-  @Override
-  protected void escapeLikeCharacter(char ch, StringBuilder sb) {
-    sb.append('|').append(ch);
-  }
 }

src/main/java/io/ebean/config/dbplatform/oracle/OraclePlatform.java

@@ -86,8 +86,4 @@ public class OraclePlatform extends DatabasePlatform {
     }
   }
 
-  @Override
-  protected void escapeLikeCharacter(char ch, StringBuilder sb) {
-    sb.append('|').append(ch);
-  }
 }

src/main/java/io/ebean/config/dbplatform/sqlite/SQLitePlatform.java

@@ -28,6 +28,7 @@ public class SQLitePlatform extends DatabasePlatform {
     dbTypeMap.put(DbType.SMALLINT, new DbPlatformType("integer"));
   }
 
+  @Override
   protected void escapeLikeCharacter(char ch, StringBuilder sb) {
     sb.append(ch);
   }