Remove newline at the start of zsh completion file (#4851)

Signed-off-by: Bartel Sielski <bsielski@nalys-group.com>

cmd/helm/completion.go

@@ -81,8 +81,7 @@ func runCompletionBash(out io.Writer, cmd *cobra.Command) error {
 }
 
 func runCompletionZsh(out io.Writer, cmd *cobra.Command) error {
-	zshInitialization := `
+	zshInitialization := `#compdef helm
-#compdef helm
 
 __helm_bash_source() {
 	alias shopt=':'