Revert "[travis]integrate with codecov.io" (#3376)

* Revert "move codecov script to checker"

This reverts commit 2272237738.

* Revert "[travis]integrate with codecov.io"

This reverts commit 054d280463.

README.md

@@ -5,7 +5,6 @@
 ![Discord](https://img.shields.io/discord/532383335348043777.svg)
 [![Coverage Status](https://coveralls.io/repos/github/harmony-one/harmony/badge.svg?branch=main)](https://coveralls.io/github/harmony-one/harmony?branch=master)
 [![Go Report Card](https://goreportcard.com/badge/github.com/harmony-one/harmony)](https://goreportcard.com/report/github.com/harmony-one/harmony)
-[![codecov](https://codecov.io/gh/harmony-one/harmony/branch/main/graph/badge.svg)](https://codecov.io/gh/harmony-one/harmony)
 
 ## General Documentation
 

scripts/travis_checker.sh

@@ -80,12 +80,8 @@ else
 fi
 
 echo "Running go test..."
-go test -race -coverprofile=coverage.txt -covermode=atomic ./...
-
 if go test -v -count=1 ./...
 then
-	bash <(curl -s https://codecov.io/bash)
-	
 	echo "go test succeeded."
 else
 	echo "go test FAILED!"