Removed useless subdomain stuff, NGINX should do it

app/__init__.py

@@ -40,7 +40,7 @@ load_dotenv()
     #@@@@&.                  (@@@@@@@@@                                   **    """
 
 
-app = Flask(__name__, subdomain_matching=True)
+app = Flask(__name__)
 
 
 def generate_iq():
@@ -67,10 +67,4 @@ def index():
         data = json.loads(file.read())
     cols = data['cols']
     projects = data['projects']
-    return render_template('index.html', random_number=generate_iq(), projects=projects,
-                           texlink=os.getenv('TEXURL'))
-
-
-@app.route('/', subdomain='tex')
-def texindex():
-    return render_template('texindex.html')
+    return render_template('index.html', random_number=generate_iq(), projects=projects)

app/templates/index.html

@@ -12,7 +12,7 @@
                 <p> Тут можно подпись какую-то сделать </p>
                 <p> Ваш IQ: {{ random_number }}</p>
                 <div class="btn-container">
-                    <a href="{{texlink}}" class="btn btn-tex">
+                    <a class="btn btn-tex">
                         TeX
                     </a>
                     <a class="btn" href="https://wiki.thematdev.org">