Remove automatic addition of stable repo (#321)

* Remove adding stable repo by default

cmd/install.go

@@ -24,15 +24,6 @@ func Install(path string) (err error) {
 		logger.Info(emoji.Sprintf(":mag: Using %s: %s", tool, path))
 	}
 
-	// By default, Helm 2 used to have the "stable" repo. This is assumed
-	// to exist in Fabrikate as a non-http repo.
-	// See timeline/deprecation schedule: https://github.com/helm/charts
-	logger.Info(emoji.Sprintf(":point_right: Adding stable repository"))
-	if output, err := exec.Command("helm", "repo", "add", "stable", "https://kubernetes-charts.storage.googleapis.com").CombinedOutput(); err != nil {
-		logger.Error(emoji.Sprintf(":no_entry_sign: %s: %s", err, output))
-		return err
-	}
-
 	rootInit := func(startingPath string, environments []string, c core.Component) (component core.Component, err error) {
 		return c.InstallRoot(startingPath, environments)
 	}
@@ -85,7 +76,7 @@ func Install(path string) (err error) {
 var installCmd = &cobra.Command{
 	Use:   "install",
 	Short: "Installs all of the remote components specified in the current deployment tree locally",
-	Long: `Installs all of the remote components specified in the current deployment tree locally, iterating the 
+	Long: `Installs all of the remote components specified in the current deployment tree locally, iterating the
 component subtree from the current directory to do so.  Required to be executed before generate (if needed), such
 that Fabrikate has all of the dependencies locally to use to generate the resource manifests.`,
 	RunE: func(cmd *cobra.Command, args []string) (err error) {