chore: remove flask limiter

pin connexion to ~=3.1.0 because of spec-first/connexion#2029
RHINENG-14559

manager/main.py

@@ -7,12 +7,9 @@
 
 import connexion
 from a2wsgi import ASGIMiddleware
-from connexion import context
 from connexion.options import SwaggerUIOptions
 from connexion.resolver import RestyResolver
 from flask import abort
-from flask_limiter import Limiter
-from flask_limiter.util import get_remote_address
 from peewee import OperationalError
 from prometheus_client import CollectorRegistry
 from prometheus_client import generate_latest
@@ -60,8 +57,6 @@ def create_app(spec_files, wait_on_cyndi=True, init_status_cache=True):
     app.add_error_handler(MissingEntitlementException, forbidden_missing_entitlement)
     app.add_error_handler(RbacException, forbidden_rbac)
 
-    limiter = Limiter(app=app.app, key_func=get_remote_address)
-
     @app.app.after_request
     def set_default_headers(response):  # pylint: disable=unused-variable
         response.headers["Access-Control-Allow-Origin"] = "*"
@@ -78,14 +73,6 @@ def set_default_headers(response):  # pylint: disable=unused-variable
 
         return response
 
-    # Apply global throttling for all routes
-    @app.app.before_request
-    @limiter.limit(f"{CFG.api_max_rps} per second",
-                   key_func=lambda: context.request.headers.get("x-rh-identity"),
-                   exempt_when=lambda: context.request.headers.get("x-rh-identity") is None)  # workaround for limiter errors
-    def account_level_throttle():
-        return
-
     # This hook ensures that a connection is opened to handle any queries
     # generated by the request.
     @app.app.before_request