remove cdbusiest and rename dbusiest to busiest

sh/busiest

@@ -4,16 +4,15 @@
 # NO_DASH
 # NO_ASH
 
-dbusiest() { ### @-
-    ### list directories ordered descending by the number of files in them,
-    ### counted recursively. see also [`cdbusiest`.](#cdbusiest)
+busiest() { ### @-
+    ### list directories in descending order by the number of files in them,
+    ### counted recursively.
     ###
     ### ```
-    ### $ cd
-    ### $ dbusiest | head -n3
-    ### 152364 src
-    ### 46518 work
-    ### 20903 play
+    ### $ cd && busiest | head -n3
+    ### 144181 src
+    ### 48840 work
+    ### 21042 play
     ### ```
     [ $# -le 0 ] || { printf "%s\n" "$0: too many arguments" >&2; return 1; }
     local c d
@@ -25,4 +24,4 @@ dbusiest() { ### @-
     [ -z $d ] && return 1
 }
 
-[ -n "${preload+-}" ] || dbusiest "$@"
+[ -n "${preload+-}" ] || busiest "$@"

sh/cdbusiest

@@ -1,25 +0,0 @@
-#!/usr/bin/env zsh
-# YES_ZSH
-# NO_BASH
-# NO_DASH
-# NO_ASH
-
-cdbusiest() { ### @-
-    ### cd to the directory with the most files in it, counted recursively.
-    ###
-    ### ```
-    ### $ cd
-    ### $ cdbusiest
-    ### 152364 src
-    ### $ pwd
-    ### /home/notwa/src
-    ### ```
-    dbusiest | read -r c d
-    [ -z $c ] && return 1
-    printf "%s\n" "$c $d"
-    cd $d
-}
-
-[ -n "${preload+-}" ] || . ~/sh/preload || exit 2
-eval ${preload:-preload} dbusiest
-[ -n "${preload+-}" ] || cdbusiest "$@"