Unpin cypthon (ansible#15246)

* Unpin cython

* Remove unused asyncpg

* Remove asyncpg license file

requirements/requirements.in

@@ -2,15 +2,14 @@ aiohttp>=3.8.6  # CVE-2023-47627
 ansiconv==1.0.0  # UPGRADE BLOCKER: from 2013, consider replacing instead of upgrading
 asciichartpy
 asn1
-asyncpg
 azure-identity
 azure-keyvault
 boto3
 botocore
 channels
 channels-redis==3.4.1  # see UPGRADE BLOCKERs
 cryptography>=41.0.7  # CVE-2023-49083
-Cython<3 # this is needed as a build dependency, one day we may have separated build deps
+Cython # this is needed as a build dependency, one day we may have separated build deps
 daphne
 distro
 django==4.2.6  # CVE-2023-43665
@@ -36,7 +35,6 @@ JSON-log-formatter
 jsonschema
 Markdown  # used for formatting API help
 maturin  # pydantic-core build dep
-msgpack<1.0.6  # 1.0.6+ requires cython>=3
 msrestazure
 openshift
 opentelemetry-api~=1.24     # new y streams can be drastically different, in a good way

requirements/requirements.txt

@@ -31,10 +31,7 @@ async-timeout==4.0.3
     # via
     #   aiohttp
     #   aioredis
-    #   asyncpg
     #   redis
-asyncpg==0.29.0
-    # via -r /awx_devel/requirements/requirements.in
 attrs==23.2.0
     # via
     #   aiohttp
@@ -113,7 +110,7 @@ cryptography==41.0.7
     #   pyopenssl
     #   service-identity
     #   social-auth-core
-cython==0.29.37
+cython==3.0.10
     # via -r /awx_devel/requirements/requirements.in
 daphne==3.0.2
     # via
@@ -292,10 +289,8 @@ msal==1.26.0
     #   msal-extensions
 msal-extensions==1.1.0
     # via azure-identity
-msgpack==1.0.5
-    # via
-    #   -r /awx_devel/requirements/requirements.in
-    #   channels-redis
+msgpack==1.0.8
+    # via channels-redis
 msrest==0.7.1
     # via msrestazure
 msrestazure==0.6.4