Remove testpypi references

These are vestigial parts of pypi upload work that are no longer used.

Change-Id: Ie0ac2a115630a6400927eb47449b3fc805c04485

playbooks/templates/publish/testpypi/pypirc.j2

@@ -1,8 +0,0 @@
-[distutils]
-index-servers=
-    testpypi
-
-[testpypi]
-repository:{{ testpypi_secret.repository }}
-username:{{ testpypi_secret.username }}
-password:{{ testpypi_secret.password }}

zuul.d/secrets.yaml

@@ -293,24 +293,6 @@
         branch:
           path: "/afs/.openstack.org/project/starlingx.io/www/{zuul[branch]}"
 
-- secret:
-    name: testpypi_secret
-    data:
-      repository: testpypi
-      repository_url: https://test.pypi.org/legacy/
-      username: openstackci
-      password: !encrypted/pkcs1-oaep
-        - ev0vtSMICZsT/LjfT/f9prqvwdPibwY/88nxJxoJNF4syUW2S/5ine9vZoK+atJEzlFbq
-          J9VrHbc3RokVxR3bjiur/MH5hH5Kk+tZGdRQwk6eoroI5dtyO23lWr86LTRG8BJJPbQmd
-          jrdPp9E+Tea/C/xAoTGhUbNnofOPEaxsS1T0RqdphCA2FAfefnVR5oWURQpa/XaBKZLAS
-          H2fBSr0un0mxV+67SlyOFkTTbtF9x72DE9clw3gBX1uArMnKSXdl3SK2LgB/POiGH5YoU
-          GTFOs6qBxNP/jV8cIBxSf80IHUfspv49LoMNTPfwDRMie4lGCNUgTINzgtkCwuysY0wcC
-          LYd1NA1RYd57coHKEftCIC1NQYRriTA543kdnCWoZPU6DVaswgEJai0Pg1vC8b5NPYYPw
-          YZm011oEN6bnVOEfsnhwYCl6GCibELolyW4vv4xGMrOGLFwt6/DXBWpbktwrGqbG4Ku06
-          hneCGOGjjzy09LmkdjCMi9cbe01udaIB+MA9Bqgt1Jh8AM4OIJaUsCX014g5OUDSNw/VZ
-          A55ES2jKpwFCottqtgiZSO4n0+0TmjsVwYPwKbyxYEvmxkeldRFwKSz8T3EpV2HQi++aT
-          aR6LCLkViHsSTluDbv5dJESSQDVjyXyd3gp4jTvXmHlSxSenfSbyV7Rqkia0tk=
-
 - secret:
     name: pypi_secret
     data: