refactor(help): remove redundant option --help on callers

Co-authored-by: Koichi Murase <[email protected]>

Author: scop

completions/a2x

@@ -29,7 +29,7 @@ _comp_cmd_a2x()
     [[ $was_split ]] && return
 
     if [[ $cur == -* ]]; then
-        _comp_compgen_help -- --help
+        _comp_compgen_help
         [[ ${COMPREPLY-} == *= ]] && compopt -o nospace
         return
     fi

completions/feh

@@ -106,7 +106,7 @@ _comp_cmd_feh()
 
     if [[ $cur == -* ]]; then
         # Some versions of feh just output "See 'man feh'" for --help :(
-        _comp_compgen_help -- --help
+        _comp_compgen_help
         if [[ ${COMPREPLY-} ]]; then
             [[ $COMPREPLY == *= ]] && compopt -o nospace
             return

completions/htop

@@ -25,7 +25,7 @@ _comp_cmd_htop()
     [[ $was_split ]] && return
 
     if [[ $cur == -* ]]; then
-        _comp_compgen_help -- --help
+        _comp_compgen_help
         [[ ${COMPREPLY-} == *= ]] && compopt -o nospace
         return
     fi

completions/kcov

@@ -51,7 +51,7 @@ _comp_cmd_kcov()
     [[ $was_split ]] && return
 
     if [[ $cur == -* ]]; then
-        _comp_compgen_help -- --help
+        _comp_compgen_help
         [[ ${COMPREPLY-} == *= ]] && compopt -o nospace
         return
     fi

completions/slapt-get

@@ -17,7 +17,7 @@ _comp_cmd_slapt_get()
     esac
 
     if [[ $cur == -* ]]; then
-        _comp_compgen_help -- --help
+        _comp_compgen_help
         if [[ ${COMPREPLY-} ]]; then
             [[ $COMPREPLY == *= ]] && compopt -o nospace
             return

completions/slapt-src

@@ -19,7 +19,7 @@ _comp_cmd_slapt_src()
     [[ $was_split ]] && return
 
     if [[ $cur == -* ]]; then
-        _comp_compgen_help -- --help
+        _comp_compgen_help
         if [[ ${COMPREPLY-} ]]; then
             [[ $COMPREPLY == *= ]] && compopt -o nospace
             return