fix(deadcode): remove unused global variables

cmd/helm/helm.go

@@ -12,10 +12,8 @@ import (
 )
 
 const (
-	homeEnvVar  = "HELM_HOME"
-	defaultHome = "$HOME/.helm" // FIXME: is $HOME windows compatible?
-	hostEnvVar  = "HELM_HOST"
-	defaultHost = ":44134"
+	homeEnvVar = "HELM_HOME"
+	hostEnvVar = "HELM_HOST"
 )
 
 var helmHome string

cmd/helm/install.go

@@ -24,8 +24,6 @@ chart in the current working directory.
 
 // install flags & args
 var (
-	// installArg is the name or relative path of the chart to install
-	installArg string
 	// installDryRun performs a dry-run install
 	installDryRun bool
 	// installValues is the filename of supplied values.