TUN-8140: Remove homebrew scripts

## Summary
We have decided to no longer push cloudflared to cloudflare homebrew, and use
the automation from homebrew-core to update cloudflared on their repository.
Therefore, the scripts for homebrew and makefile targets are no longer necessary.

.teamcity/update-homebrew-core.sh

@@ -1,26 +0,0 @@
-#!/bin/bash
-
-set -euo pipefail
-
-if ! VERSION="$(git describe --tags --exact-match 2>/dev/null)" ; then
-    echo "Skipping public release for an untagged commit."
-    echo "##teamcity[buildStatus status='SUCCESS' text='Skipped due to lack of tag']"
-    exit 0
-fi
-
-if [[ "${HOMEBREW_GITHUB_API_TOKEN:-}" == "" ]] ; then
-    echo "Missing GITHUB_API_TOKEN"
-    exit 1
-fi
-
-# "install" Homebrew
-git clone https://github.com/Homebrew/brew tmp/homebrew
-eval "$(tmp/homebrew/bin/brew shellenv)"
-brew update --force --quiet
-chmod -R go-w "$(brew --prefix)/share/zsh"
-
-git config --global user.name "cloudflare-warp-bot"
-git config --global user.email "warp-bot@cloudflare.com"
-
-# bump formula pr
-brew bump-formula-pr cloudflared --version="$VERSION" --no-browse --no-audit

.teamcity/update-homebrew.sh

@@ -1,66 +0,0 @@
-#!/bin/bash
-
-set -euo pipefail
-
-FILENAME="${PWD}/artifacts/cloudflared-darwin-amd64.tgz"
-if ! VERSION="$(git describe --tags --exact-match 2>/dev/null)" ; then
-    echo "Skipping public release for an untagged commit."
-    echo "##teamcity[buildStatus status='SUCCESS' text='Skipped due to lack of tag']"
-    exit 0
-fi
-
-if [[ ! -f "$FILENAME" ]] ; then
-    echo "Missing $FILENAME"
-    exit 1
-fi
-
-if [[ "${GITHUB_PRIVATE_KEY_B64:-}" == "" ]] ; then
-    echo "Missing GITHUB_PRIVATE_KEY_B64"
-    exit 1
-fi
-
-# upload to s3 bucket for use by Homebrew formula
-s3cmd \
-    --acl-public --access_key="$AWS_ACCESS_KEY_ID" --secret_key="$AWS_SECRET_ACCESS_KEY" --host-bucket="%(bucket)s.s3.cfdata.org" \
-    put "$FILENAME" "s3://cftunnel-docs/dl/cloudflared-$VERSION-darwin-amd64.tgz"
-s3cmd \
-    --acl-public --access_key="$AWS_ACCESS_KEY_ID" --secret_key="$AWS_SECRET_ACCESS_KEY" --host-bucket="%(bucket)s.s3.cfdata.org" \
-    cp "s3://cftunnel-docs/dl/cloudflared-$VERSION-darwin-amd64.tgz" "s3://cftunnel-docs/dl/cloudflared-stable-darwin-amd64.tgz"
-SHA256=$(sha256sum "$FILENAME" | cut -b1-64)
-
-# set up git (note that UserKnownHostsFile is an absolute path so we can cd wherever)
-mkdir -p tmp
-ssh-keyscan -t rsa github.com > tmp/github.txt
-echo "$GITHUB_PRIVATE_KEY_B64" | base64 --decode > tmp/private.key
-chmod 0400 tmp/private.key
-export GIT_SSH_COMMAND="ssh -o UserKnownHostsFile=$PWD/tmp/github.txt -i $PWD/tmp/private.key -o IdentitiesOnly=yes"
-
-# clone Homebrew repo into tmp/homebrew-cloudflare
-git clone git@github.com:cloudflare/homebrew-cloudflare.git tmp/homebrew-cloudflare    
-cd tmp/homebrew-cloudflare
-git checkout -f master
-git reset --hard origin/master
-
-# modify cloudflared.rb
-URL="https://packages.argotunnel.com/dl/cloudflared-$VERSION-darwin-amd64.tgz"
-tee cloudflared.rb <<EOF
-class Cloudflared < Formula
-  desc 'Cloudflare Tunnel'
-  homepage 'https://developers.cloudflare.com/cloudflare-one/connections/connect-apps'
-  url '$URL'
-  sha256 '$SHA256'
-  version '$VERSION'
-  def install
-    bin.install 'cloudflared'
-  end
-end
-EOF
-
-# push cloudflared.rb
-git add cloudflared.rb
-git diff
-git config user.name "cloudflare-warp-bot"
-git config user.email "warp-bot@cloudflare.com"
-git commit -m "Release Cloudflare Tunnel $VERSION"
-
-git push -v origin master

Makefile

@@ -218,15 +218,6 @@ cloudflared-darwin-amd64.tgz: cloudflared
 	tar czf cloudflared-darwin-amd64.tgz cloudflared
 	rm cloudflared
 
-.PHONY: homebrew-upload
-homebrew-upload: cloudflared-darwin-amd64.tgz
-	aws s3 --endpoint-url $(S3_ENDPOINT) cp --acl public-read $$^ $(S3_URI)/cloudflared-$$(VERSION)-$1.tgz
-	aws s3 --endpoint-url $(S3_ENDPOINT) cp --acl public-read $(S3_URI)/cloudflared-$$(VERSION)-$1.tgz  $(S3_URI)/cloudflared-stable-$1.tgz
-
-.PHONY: homebrew-release
-homebrew-release: homebrew-upload
-	./publish-homebrew-formula.sh cloudflared-darwin-amd64.tgz $(VERSION) homebrew-cloudflare
-
 .PHONY: github-release
 github-release: cloudflared
 	python3 github_release.py --path $(EXECUTABLE_PATH) --release-version $(VERSION)

cfsetup.yaml

@@ -242,16 +242,6 @@ buster: &buster
       - component-tests/requirements.txt
     pre-cache: *component_test_pre_cache
     post-cache: *component_test_post_cache
-  update-homebrew:
-    builddeps:
-      - openssh-client
-      - s3cmd
-      - jq
-      - build-essential
-      - procps
-    post-cache:
-      - .teamcity/update-homebrew.sh
-      - .teamcity/update-homebrew-core.sh
   github-message-release:
     build_dir: *build_dir
     builddeps: *build_pygithub