remove unnecessary caching

powerlevel9k.zsh-theme

@@ -408,16 +408,12 @@ prompt_background_jobs() {
   local n && n="${(fw)#$(jobs -rd)}" && ((n > 1)) || return
   (( n /= 2 ))
 
-  local cache_key="$0 $n"
-  if ! _p9k_cache_get $cache_key; then
+  local prompt=''
   if [[ "$POWERLEVEL9K_BACKGROUND_JOBS_VERBOSE" == "true" &&
         ("$n" -gt 1 || "$POWERLEVEL9K_BACKGROUND_JOBS_VERBOSE_ALWAYS" == "true") ]]; then
-      _p9k_cache_set $cache_key $n
-    else
-      _p9k_cache_set $cache_key ''
-    fi
+    prompt=$n
   fi
-  "$1_prompt_segment" "$0" "$2" "$DEFAULT_COLOR" "cyan" "$_P9K_RETVAL" 'BACKGROUND_JOBS_ICON'
+  "$1_prompt_segment" "$0" "$2" "$DEFAULT_COLOR" "cyan" "$prompt" 'BACKGROUND_JOBS_ICON'
 }
 
 ################################################################