Remove erroneously added badge

Author: BooleanCat

README.md

@@ -1,6 +1,6 @@
 # Functional Programming in Go
 
-![GitHub release (with filter)](https://img.shields.io/github/v/release/BooleanCat/go-functional?sort=semver&logo=Go&color=%23007D9C) ![GitLab Release (by release name)](https://img.shields.io/gitlab/v/release/:project?sort=semver) [![Actions Status](https://github.com/BooleanCat/go-functional/workflows/test/badge.svg)](https://github.com/BooleanCat/go-functional/actions) [![Go Reference](https://pkg.go.dev/badge/github.com/BooleanCat/go-functional.svg)](https://pkg.go.dev/github.com/BooleanCat/go-functional) [![Go Report Card](https://goreportcard.com/badge/github.com/BooleanCat/go-functional)](https://goreportcard.com/report/github.com/BooleanCat/go-functional) [![codecov](https://codecov.io/gh/BooleanCat/go-functional/branch/main/graph/badge.svg?token=N2E43RSR14)](https://codecov.io/gh/BooleanCat/go-functional)
+![GitHub release (with filter)](https://img.shields.io/github/v/release/BooleanCat/go-functional?sort=semver&logo=Go&color=%23007D9C) [![Actions Status](https://github.com/BooleanCat/go-functional/workflows/test/badge.svg)](https://github.com/BooleanCat/go-functional/actions) [![Go Reference](https://pkg.go.dev/badge/github.com/BooleanCat/go-functional.svg)](https://pkg.go.dev/github.com/BooleanCat/go-functional) [![Go Report Card](https://goreportcard.com/badge/github.com/BooleanCat/go-functional)](https://goreportcard.com/report/github.com/BooleanCat/go-functional) [![codecov](https://codecov.io/gh/BooleanCat/go-functional/branch/main/graph/badge.svg?token=N2E43RSR14)](https://codecov.io/gh/BooleanCat/go-functional)
 
 A general purpose library offering functional helpers for Golang.