Remove finalize() methods (1.5)

src/main/java/org/duckdb/DuckDBConnection.java

@@ -122,12 +122,6 @@ public void rollback() throws SQLException {
         }
     }
 
-    @Override
-    @SuppressWarnings("deprecation")
-    protected void finalize() throws Throwable {
-        close();
-    }
-
     public void close() throws SQLException {
         if (isClosed()) {
             return;

src/main/java/org/duckdb/DuckDBPreparedStatement.java

@@ -411,12 +411,6 @@ public boolean isClosed() throws SQLException {
         return conn == null || conn.connRef == null;
     }
 
-    @Override
-    @SuppressWarnings("deprecation")
-    protected void finalize() throws Throwable {
-        close();
-    }
-
     @Override
     public int getMaxFieldSize() throws SQLException {
         checkOpen();

src/main/java/org/duckdb/DuckDBResultSet.java

@@ -110,12 +110,6 @@ public void close() throws SQLException {
         }
     }
 
-    @Override
-    @SuppressWarnings("deprecation")
-    protected void finalize() throws Throwable {
-        close();
-    }
-
     public boolean isClosed() throws SQLException {
         return resultRef == null;
     }

src/main/java/org/duckdb/DuckDBSingleValueAppender.java

@@ -93,11 +93,6 @@ public void append(byte[] value) throws SQLException {
         }
     }
 
-    @SuppressWarnings("deprecation")
-    protected void finalize() throws Throwable {
-        close();
-    }
-
     public synchronized void close() throws SQLException {
         if (appender_ref != null) {
             DuckDBNative.duckdb_jdbc_appender_close(appender_ref);