proto: buf for everything (#5650)

## Description

- remove installation of protoc
- use buf protoc to generate proto stubs

prior to approving could someone test locally. I restarted my docker instance and its been stuck for 20+ minutes

Closes: #XXX

test/Makefile

@@ -0,0 +1,69 @@
+#!/usr/bin/make -f
+
+########################################
+### Testing
+
+BINDIR ?= $(GOPATH)/bin
+
+## required to be run first by most tests
+build_docker_test_image:
+	docker build -t tester -f ./test/docker/Dockerfile .
+.PHONY: build_docker_test_image
+
+### coverage, app, persistence, and libs tests
+test_cover:
+	# run the go unit tests with coverage
+	bash test/test_cover.sh
+.PHONY: test_cover
+
+test_apps:
+	# run the app tests using bash
+	# requires `abci-cli` and `tendermint` binaries installed
+	bash test/app/test.sh
+.PHONY: test_apps
+
+test_abci_apps:
+	bash abci/tests/test_app/test.sh
+.PHONY: test_abci_apps
+
+test_abci_cli:
+	# test the cli against the examples in the tutorial at:
+	# ./docs/abci-cli.md
+	# if test fails, update the docs ^
+	@ bash abci/tests/test_cli/test.sh
+.PHONY: test_abci_cli
+
+test_integrations:
+	make build_docker_test_image
+	make tools
+	make install
+	make test_cover
+	make test_apps
+	make test_abci_apps
+	make test_abci_cli
+	make test_libs
+.PHONY: test_integrations
+
+test_release:
+	@go test -tags release $(PACKAGES)
+.PHONY: test_release
+
+test100:
+	@for i in {1..100}; do make test; done
+.PHONY: test100
+
+### go tests
+test:
+	@echo "--> Running go test"
+	@go test -p 1 $(PACKAGES) -tags deadlock
+.PHONY: test
+
+test_race:
+	@echo "--> Running go test --race"
+	@go test -p 1 -v -race $(PACKAGES)
+.PHONY: test_race
+
+test_deadlock:
+	@echo "--> Running go test --deadlock"
+	@go test -p 1 -v  $(PACKAGES) -tags deadlock
+.PHONY: test_race