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

This reverts commit 68be3a6bcd.

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

@@ -1,46 +0,0 @@
-#!/bin/bash
-set -e -u -o pipefail
-cd $(dirname $0)
-. .e2erc
-
-# Set required variables
-TEST_FILTER_DEFAULT='--stage=@prod --group=@smoke'
-TEST_FILTER=${TEST_FILTER:-$TEST_FILTER_DEFAULT}
-
-# Print run information
-mme2e_log "Printing Cypress container informations"
-${MME2E_DC_SERVER} exec -T -u $MME2E_UID -- cypress node -p 'module.paths'
-${MME2E_DC_SERVER} exec -T -u $MME2E_UID -- cypress bash <<"EOF"
-cat <<INNEREOF
-node version:    $(node -v)
-npm version:     $(npm -v)
-debian version:  $(cat /etc/debian_version)
-user:            $(whoami)
-chrome:          $(google-chrome --version || true)
-firefox:         $(firefox --version || true)
-INNEREOF
-EOF
-
-# Initialize cypress report directory
-mme2e_log "Prepare Cypress: clean and initialize report and logs directory"
-${MME2E_DC_SERVER} exec -T -u $MME2E_UID -- cypress bash <<EOF
-rm -rf logs results
-mkdir -p logs
-mkdir -p results/junit
-touch results/junit/empty.xml
-echo '<?xml version="1.0" encoding="UTF-8"?>' > results/junit/empty.xml
-EOF
-
-# Run cypress test
-# No need to collect its exit status: if it's nonzero, this script will terminate since we use '-e'
-if ${MME2E_DC_SERVER} exec -T -u $MME2E_UID -- cypress bash -c '[ -n "${AUTOMATION_DASHBOARD_URL}" ]'; then
-	mme2e_log "AUTOMATION_DASHBOARD_URL is set. Using run_test_cycle.js for the cypress run"
-	${MME2E_DC_SERVER} exec -T -u $MME2E_UID -- cypress node --trace-warnings generate_test_cycle.js ${TEST_FILTER}
-	${MME2E_DC_SERVER} exec -T -u $MME2E_UID -- cypress node run_test_cycle.js | tee ../cypress/logs/cypress.log
-else
-	mme2e_log "AUTOMATION_DASHBOARD_URL is unset. Using run_tests.js for the cypress run"
-	${MME2E_DC_SERVER} exec -T -u $MME2E_UID -- cypress node run_tests.js ${TEST_FILTER} | tee ../cypress/logs/cypress.log
-fi
-
-# Collect server logs
-${MME2E_DC_SERVER} exec -T -- server cat /mattermost/logs/mattermost.log >../cypress/logs/mattermost.log