SORMAS-Foundation#3411 remove unwanted mobile DB migration

Author: lgal

sormas-app/app/src/main/java/de/symeda/sormas/app/backend/common/DatabaseHelper.java

@@ -151,7 +151,7 @@ public class DatabaseHelper extends OrmLiteSqliteOpenHelper {
 	public static final String DATABASE_NAME = "sormas.db";
 	// any time you make changes to your database objects, you may have to increase the database version
 
-	public static final int DATABASE_VERSION = 256;
+	public static final int DATABASE_VERSION = 255;
 
 	private static DatabaseHelper instance = null;
 
@@ -1820,13 +1820,6 @@ public void onUpgrade(SQLiteDatabase db, ConnectionSource connectionSource, int
 				// ATTENTION: break should only be done after last version
 				break;
 
-			case 255:
-				currentVersion = 255;
-
-				getDao(Person.class).executeRaw("ALTER TABLE person ADD COLUMN armedForcesRelationType varchar(255);");
-
-				// ATTENTION: break should only be done after last version
-				break;
 			default:
 				throw new IllegalStateException("onUpgrade() with unknown oldVersion " + oldVersion);
 			}