[docker] removes workaround for missing crypto-policies-scripts subpackage (#83455)

* Revert "[build] Use 8.2 tag of ubi-minimal (#82688)"

This reverts commit a89176e.

* chore(NA): remove workaround for missing crypto-policies-scripts subpackage

Co-authored-by: Kibana Machine <42973632+kibanamachine@users.noreply.github.com>

Author: mistic

src/dev/build/tasks/os_packages/docker_generator/run.ts

@@ -40,7 +40,7 @@ export async function runDockerGenerator(
   ubi: boolean = false
 ) {
   // UBI var config
-  const baseOSImage = ubi ? 'docker.elastic.co/ubi8/ubi-minimal:8.2' : 'centos:8';
+  const baseOSImage = ubi ? 'docker.elastic.co/ubi8/ubi-minimal:latest' : 'centos:8';
   const ubiVersionTag = 'ubi8';
   const ubiImageFlavor = ubi ? `-${ubiVersionTag}` : '';
 

src/dev/build/tasks/os_packages/docker_generator/templates/Dockerfile

@@ -46,16 +46,9 @@ EXPOSE 5601
 {{#ubi}}
   # https://github.com/rpm-software-management/microdnf/issues/50
   RUN mkdir -p /run/user/$(id -u)
-
-  # crypto-policies not currently compatible with libnss :sadpanda:
-  RUN printf "[main]\nexclude=crypto-policies" >  /etc/dnf/dnf.conf
 {{/ubi}}
 
 RUN for iter in {1..10}; do \
-      {{#ubi}}
-        # update microdnf to have exclusion feature for dnf configuration
-        {{packageManager}} update microdnf --setopt=tsflags=nodocs -y && \
-      {{/ubi}}
       {{packageManager}} update --setopt=tsflags=nodocs -y && \
       {{packageManager}} install --setopt=tsflags=nodocs -y \
         fontconfig freetype shadow-utils libnss3.so {{#ubi}}findutils{{/ubi}} && \