Clear dir hash before adding our own entries

.zshrc

@@ -60,7 +60,10 @@ function chpwd_leave_profile_krakul() {
 }
 chpwd_profiles
 
-hash -d krakul=~/code/krakul  # shorten dir name in prompt
+# First clear grml-zsh-config provided directory hashes
+hash -d -r
+# shorten dir name in prompt
+hash -d krakul=~/code/krakul
 function hash_projects() {
     # hash everything under krakul projects
     local project_folder