removed weird stuff added more badges

.github/workflows/CI.yml

@@ -61,10 +61,4 @@ jobs:
 
       # Uploads the code coverage results to codecov.io
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v2
-
-      - name: Update Coverage Badge
-        # GitHub actions: default branch variable
-        # https://stackoverflow.com/questions/64781462/github-actions-default-branch-variable
-        if: github.ref == format('refs/heads/{0}', github.event.repository.default_branch)
-        uses: we-cli/coverage-badge-action@main
+        uses: codecov/codecov-action@v2

README.md

@@ -1,5 +1,7 @@
 [![DESC Legacy Blinding for Cosmosis](https://github.com/LSSTDESC/legacy_blinding/actions/workflows/CI.yml/badge.svg)](https://github.com/LSSTDESC/legacy_blinding/actions/workflows/CI.yml)
-[![cov](https://LSSTDESC.github.io/legacy_blinding/badges/coverage.svg)](https://github.com/LSSTDESC/legacy_blinding/actions)
+[![arXiv](https://img.shields.io/badge/arXiv-1911.05929-red)](https://arxiv.org/abs/1911.05929)
+[![LSST DESC Blinding Slack](https://img.shields.io/badge/join-Slack-4A154B)](https://glass-dev.github.io/slack)
+[![cov](https://LSSTDESC.github.io/legacy_blinding/badges/coverage.svg)](https://lsstc.slack.com/archives/CT14ZF2AH)
 # Legacy Cosmosis Blinding for Cosmosis
 
 This repository contains an implementation of [Muir et al. 2020](https://arxiv.org/abs/1911.05929) data-vector blinding strategy using Cosmosis V2.