chore: remove typing-extensions from dependencies

Since we only aim to support Python 3.9 and newer, typing-extensions isn't a requirement.

journalpump.spec

@@ -6,7 +6,7 @@ Summary:        Pump messages from systemd journal to Elasticsearch, Kafka, Logp
 License:        ASL 2.0
 Source0:        journalpump-rpm-src.tar.gz
 Requires:       python3-kafka, systemd-python3, python3-requests, python3-botocore, python3-google-api-client
-Requires:       python3-google-auth, python3-geoip2, python3-typing-extensions
+Requires:       python3-google-auth, python3-geoip2
 Requires:	python3-websockets, python3-aiohttp-socks, python3-snappy
 BuildRequires:  python3-kafka, systemd-python3, python3-requests, python3-botocore, python3-google-api-client
 BuildRequires:  python3-devel, python3-pytest, python3-pylint python3-responses

journalpump/types.py

@@ -1,12 +1,7 @@
 """JournalPump internal types"""
 import enum
 import sys
-
-if sys.version_info >= (3, 8):
-    from typing import Protocol  # pylint: disable=no-name-in-module
-else:
-    from typing_extensions import Protocol
-
+from typing import Protocol
 
 class GeoIPProtocol(Protocol):
     """

requirements.txt

@@ -8,5 +8,4 @@ google-api-python-client
 google-auth
 geoip2
 https://github.com/systemd/python-systemd/zipball/master
-typing-extensions
 google-re2

setup.py

@@ -18,7 +18,6 @@
         "google-api-python-client",
         "google-auth",
         "geoip2",
-        "typing-extensions",
     ],
     dependency_links=[],
     package_data={},