chore: remove deprecated tar plugin

This plugin was deprecated in 0.24.0 in favor of git:from-archive. Users should migrate to the new command.

tests/unit/tar.bats

@@ -1,58 +0,0 @@
-#!/usr/bin/env bats
-
-load test_helper
-
-setup() {
-  global_setup
-  create_app
-}
-
-teardown() {
-  destroy_app
-  global_teardown
-}
-
-deploy_app_tar() {
-  APP_TYPE="$1"; APP_TYPE=${APP_TYPE:="nodejs-express"}
-  TMP=$(mktemp -d "/tmp/dokku.me.XXXXX")
-
-  rmdir "$TMP" && cp -r "${BATS_TEST_DIRNAME}/../../tests/apps/$APP_TYPE" "$TMP"
-  pushd "$TMP" &>/dev/null || exit 1
-  trap 'popd &>/dev/null || true; rm -rf "$TMP"' RETURN INT TERM
-
-  shift 1
-  tar c . $* | ssh dokku@dokku.me tar:in $TEST_APP || destroy_app $?
-  sleep 5 # nginx needs some time to itself...
-}
-
-@test "(tar) tar:help" {
-  run /bin/bash -c "dokku tar"
-  echo "output: $output"
-  echo "status: $status"
-  assert_output_contains "Manage app deploys via tar"
-  help_output="$output"
-
-  run /bin/bash -c "dokku tar:help"
-  echo "output: $output"
-  echo "status: $status"
-  assert_output_contains "Manage app deploys via tar"
-  assert_output "$help_output"
-}
-
-@test "(tar) non-tarbomb deploy using tar:in" {
-  deploy_app_tar nodejs-express --transform 's,^,prefix/,'
-
-  run /bin/bash -c "response=\"$(curl -s -S ${TEST_APP}.dokku.me)\"; echo \$response; test \"\$response\" == \"nodejs/express\""
-  echo "output: $output"
-  echo "status: $status"
-  assert_success
-}
-
-@test "(tar) tarbomb deploy using tar:in" {
-  deploy_app_tar nodejs-express
-
-  run /bin/bash -c "response=\"$(curl -s -S ${TEST_APP}.dokku.me)\"; echo \$response; test \"\$response\" == \"nodejs/express\""
-  echo "output: $output"
-  echo "status: $status"
-  assert_success
-}