refactored pycrm command

plugins/python/python.plugin.zsh

@@ -2,4 +2,4 @@
 alias pyfind='find . -name "*.py"'
 
 # Remove python compiled byte-code
-alias pycrm='rm `find . | grep -E "*.(pyc|pyo)$"`'
+alias pyclean='find . -type f -name "*.py[co]" -exec rm -f \{\} \;'