Remove staff restriction from export endpoints

Part of https://gitlab.com/gitlab-org/gitter/webapp/-/issues/1899
12 jobs for !1991 with 1899-no-staff-for-export in 26 minutes and 4 seconds (queued for 2 seconds)
detached
Status Job ID Name Coverage
  Build Unit Test
passed #683580775
gitlab-org
package

00:05:58

passed #683580767
gitlab-org
test

00:10:39

manual #683580772
internal allowed to fail manual
test_e2e
passed #683580765
gitlab-org
validate

00:04:29

 
  Pre Deploy
passed #683580777
gitlab-org
distribute_beta_staging

00:00:39

 
  Deploy
passed #683580779
gitlab-org-docker
containerize

00:07:30

manual #683580780
internal allowed to fail manual
deploy_beta_staging
 
  Security
passed #683580784
gitlab-org
container_scanning

00:01:13

passed #683580782
gitlab-org
dast

00:07:13

passed #683580783
gitlab-org-docker
dependency_scanning

00:05:50

passed #683580781
gitlab-org-docker
sast

00:02:52

passed #683580785
gitlab-org-docker
secret_detection

00:00:29