Delete prompt_powerlevel9k_setup

I think this should have been removed as part of 0a07ba27a2. Currently I'm seeing this warning after updating to `master`: ``` Couldn't read file /Users/jeffwidman/.zprezto/modules/prompt/functions/prompt_powerlevel9k_setup containing theme powerlevel9k. ```
3 years ago · 63bc5061a7
parent f651140f2c
commit 63bc5061a7
1 changed files with 0 additions and 1 deletions
--- a/modules/prompt/functions/prompt_powerlevel9k_setup
+++ b/modules/prompt/functions/prompt_powerlevel9k_setup
@ -1 +0,0 @@
-../external/powerlevel9k/powerlevel9k.zsh-theme
				`@ -1 +0,0 @@`
				`../external/powerlevel9k/powerlevel9k.zsh-theme`