Ignore errors from zap logger Sync (#2086)

Added golang CI lint
Reference issue: https://github.com/uber-go/zap/issues/880

Signed-off-by: Sanket Sudake <sanketsudake@gmail.com>

test/tests/test_huge_response/hello.go

@@ -7,7 +7,7 @@ import (
 )
 
 // Handler is the entry point for this fission function
-func Handler(w http.ResponseWriter, r *http.Request) { //nolint: deadcode
+func Handler(w http.ResponseWriter, r *http.Request) { //nolint:golint,unused,deadcode
 	bytes, err := ioutil.ReadAll(r.Body)
 	if err != nil {
 		http.Error(w, err.Error(), http.StatusInternalServerError)