PMM-8207 Cleanup. (percona#57)

Co-authored-by: Jiri Ctvrtka <jiri.ctvrtka.sde@gmail.com>

.github/workflows/go.yml

@@ -50,9 +50,6 @@ jobs:
         AWS_SECRET_KEY: ${{ secrets.AWS_SECRET_KEY }}
       run: make test-race
     - name: Run Codecov
-      env:
-        AWS_ACCESS_KEY: AKIAZPBRO3QWCEHJTL35
-        AWS_SECRET_KEY: ${{ secrets.AWS_SECRET_KEY }}
       run: make codecov
     - name: Build tarball
       run: make tarball

Makefile

@@ -62,8 +62,6 @@ promu:
 check:
 	bin/golangci-lint run -c=.golangci.yml --out-format=line-number
 
-travis: build ci-reviewdog test-race codecov tarball docker
-
 codecov: gocoverutil
 	@bin/gocoverutil -coverprofile=coverage.txt test $(pkgs)
 	@curl -s https://codecov.io/bash | bash -s - -X fix

README.md

@@ -1,10 +1,10 @@
 # RDS Exporter
 
 [![Release](https://img.shields.io/github/release/percona/rds_exporter.svg?style=flat)](https://github.com/percona/rds_exporter/releases/latest)
-[![Build Status](https://travis-ci.com/percona/rds_exporter.svg?branch=master)](https://travis-ci.com/percona/rds_exporter)
 [![Go Report Card](https://goreportcard.com/badge/github.com/percona/rds_exporter)](https://goreportcard.com/report/github.com/percona/rds_exporter)
 [![CLA assistant](https://cla-assistant.percona.com/readme/badge/percona/rds_exporter)](https://cla-assistant.percona.com/percona/rds_exporter)
 [![codecov.io Code Coverage](https://img.shields.io/codecov/c/github/percona/rds_exporter.svg?maxAge=2592000)](https://codecov.io/github/percona/rds_exporter?branch=master)
+[![Discord](https://img.shields.io/discord/808660945513611334?style=flat)](http://per.co.na/discord)
 
 An [AWS RDS](https://aws.amazon.com/ru/rds/) exporter for [Prometheus](https://github.com/prometheus/prometheus).
 It gets metrics from both [basic CloudWatch Metrics](https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/MonitoringOverview.html)