fix(completions/zsh.zsh): Remove redundant code from output

Fixes #1142

Author: segevfiner

src/completions/mod.rs

@@ -91,12 +91,7 @@ pub fn subcommands_of(p: &Parser) -> Vec<(String, String)> {
         p.has_subcommands()
     );
     if !p.has_subcommands() {
-        let mut ret = vec![
-            (
-                p.meta.name.clone(),
-                p.meta.bin_name.as_ref().unwrap().clone(),
-            ),
-        ];
+        let mut ret = vec![];
         debugln!("subcommands_of: Looking for aliases...");
         if let Some(ref aliases) = p.meta.aliases {
             for &(n, _) in aliases {

tests/completions.rs

@@ -675,13 +675,6 @@ _my_app() {
     
 }
 
-(( $+functions[_my_app_commands] )) ||
-_my_app_commands() {
-    local commands; commands=(
-        
-    )
-    _describe -t commands 'my_app commands' commands "$@"
-}
 (( $+functions[_my_app_commands] )) ||
 _my_app_commands() {
     local commands; commands=(