Remove refs to tiller in the code (#5022)

Signed-off-by: Antonio Gamez Diaz <agamez@vmware.com>

pkg/chart/chart.go

@@ -57,7 +57,7 @@ type Details struct {
 	// resource for the request.
 	// ChartName is the name of the chart within the repo.
 	ChartName string `json:"chartName"`
-	// ReleaseName is the Name of the release given to Tiller.
+	// ReleaseName is the Name of the release given to Helm.
 	ReleaseName string `json:"releaseName"`
 	// Version is the chart version.
 	Version string `json:"version"`

pkg/http-client/httpclient.go

@@ -104,9 +104,6 @@ func GetCertPool(certs []byte) (*x509.CertPool, error) {
 	// Require the SystemCertPool unless the env var is explicitly set.
 	caCertPool, err := x509.SystemCertPool()
 	if err != nil {
-		if _, ok := os.LookupEnv("TILLER_PROXY_ALLOW_EMPTY_CERT_POOL"); !ok {
-			return nil, err
-		}
 		caCertPool = x509.NewCertPool()
 	}
 

pkg/tarutil/tarutil.go

@@ -50,8 +50,7 @@ func FetchChartDetailFromTarballUrl(name string, chartTarballURL string, userAge
 //
 func FetchChartDetailFromTarball(reader io.Reader, name string) (map[string]string, error) {
 	// We read the whole chart into memory, this should be okay since the chart
-	// tarball needs to be small enough to fit into a GRPC call (Tiller
-	// requirement)
+	// tarball needs to be small enough to fit into a GRPC call
 	gzf, err := gzip.NewReader(reader)
 	if err != nil {
 		return nil, err