Revert "Prepare: run E2E smoketests with GitHub actions (#23301)" (#23553)

This reverts commit 68be3a6bcd.

e2e-tests/.ci/server.start.sh

@@ -1,45 +0,0 @@
-#!/bin/bash
-set -e -u -o pipefail
-cd $(dirname $0)
-. .e2erc
-
-export BRANCH_DEFAULT=$(git branch --show-current)
-export BRANCH=${BRANCH:-$BRANCH_DEFAULT}
-export BUILD_ID_DEFAULT=$(date +%s)
-export BUILD_ID=${BUILD_ID:-$BUILD_ID_DEFAULT}
-export CI_BASE_URL="${CI_BASE_URL:-localhost}"
-
-# Cleanup old containers, if any
-mme2e_log "Stopping leftover E2E containers, if any are running"
-${MME2E_DC_SERVER} down -v
-
-# Generate .env.server
-mme2e_log "Generating .env.server"
-mme2e_generate_envfile_from_var_names >.env.server <<EOF
-MM_LICENSE
-EOF
-envarr=$(echo ${MM_ENV:-} | tr "," "\n")
-for env in $envarr; do
-  echo "$env" >> .env.server
-done
-
-# Generate .env.cypress
-mme2e_log "Generating .env.cypress"
-mme2e_generate_envfile_from_var_names >.env.cypress <<EOF
-BRANCH
-BUILD_ID
-CI_BASE_URL
-AUTOMATION_DASHBOARD_URL
-AUTOMATION_DASHBOARD_TOKEN
-EOF
-
-# Launch mattermost-server, and wait for it to be healthy
-mme2e_log "Waiting for server image to be available"
-mme2e_wait_image ${SERVER_IMAGE} 30 60
-mme2e_log "Starting E2E containers"
-${MME2E_DC_SERVER} up -d
-if ! mme2e_wait_service_healthy server 60 10; then
-  mme2e_log "Mattermost container not healthy, retry attempts exhausted. Giving up." >&2
-  exit 1
-fi
-mme2e_log "Mattermost container is running and healthy"