Fix codice a barre + fix fornitore + fix codice alternativo

connection.py

@@ -1,23 +0,0 @@
-import mysql.connector
-from mysql.connector import Error
-
-def create_connection(host_name, user_name, user_password, db_name,port):
-    connection = None
-    try:
-        connection = mysql.connector.connect(
-            host=host_name,
-            user=user_name,
-            password=user_password,
-            database=db_name,
-            port=port,
-            ssl_disabled=True
-        )
-        print("Connessione al database riuscita!")
-    except Error as e:
-        print(f"Errore: {e}")
-    return connection
-
-def close_connection(connection):
-    if connection is not None and connection.is_connected():
-        connection.close()
-        print("Connessione al database chiusa.")