Remove docker/requirements.txt

Originaly: Bump pyopenssl from 25.0.0 to 26.0.0 in /docker
But the file was not necessary, so we ended up removing it instead

Closes #2136

Signed-off-by: Marton Szasz <szaszm@apache.org>
diff --git a/docker/requirements.txt b/docker/requirements.txt
deleted file mode 100644
index a96d59b..0000000
--- a/docker/requirements.txt
+++ /dev/null
@@ -1,11 +0,0 @@
-pyjks==20.0.0
-shortuuid==1.0.13
-behavex==4.1.0
-docker==7.1.0
-PyYAML==6.0.2
-m2crypto==0.46.2
-watchdog==6.0.0
-pyopenssl==25.0.0
-azure-storage-blob==12.24.1
-humanfriendly==10.0
-requests<2.29  # https://github.com/docker/docker-py/issues/3113