delete old schema

src/logic/db_schemas.py

@@ -1,25 +0,0 @@
-USERS = """
-CREATE TABLE IF NOT EXISTS users (
-    id INTEGER PRIMARY KEY,
-    username TEXT NOT NULL,
-    usermain TEXT NOT NULL
-"""    #id == matrikelnr, 
-MEDIA = """
-CREATE TABLE IF NOT EXISTS media (
-    id AUTOINCREMENT PRIMARY KEY,
-    signature TEXT NOT NULL,
-    isbn TEXT NOT NULL,
-    ppn TEXT NOT NULL,
-    title TEXT NOT NULL,
-    """
-    
-LOANS = """
-CREATE TABLE IF NOT EXISTS loans (
-    id AUTOINCREMENT PRIMARY KEY,
-    user_id INTEGER NOT NULL,
-    media_id INTEGER NOT NULL,
-    loan_date TEXT NOT NULL,
-    return_date TEXT NOT NULL,
-    FOREIGN KEY (user_id) REFERENCES users(id),
-    FOREIGN KEY (media_id) REFERENCES media(id)
-"""