Fix syntax error (empty if block)

Ref: https://bitbucket.org/dhellmann/virtualenvwrapper/pull-request/10/fix-zsh-crash-caused-by-lazily-loading-the/diff#comment-1046076

Author: blueyed

virtualenvwrapper_lazy.sh

@@ -18,10 +18,10 @@ function virtualenvwrapper_load {
     # We might get called multiple times, because not all of _VIRTUALENVWRAPPER_API gets
     # a real completion.
     if [ -z $VIRTUALENVWRAPPER_LAZY_LOADED ]; then
-        if [ -n "$ZSH_VERSION" ] ; then
-            # Tried to unset any auto-load completion, does not appear to work/triggers a crash
-            # compctl + $(echo ${_VIRTUALENVWRAPPER_API})
-        fi
+        # NOTE: For Zsh, I have tried to unset any auto-load completion.
+        #       (via `compctl + $(echo ${_VIRTUALENVWRAPPER_API})`.
+        #       But this does not appear to work / triggers a crash.
+
         source "$VIRTUALENVWRAPPER_SCRIPT"
         VIRTUALENVWRAPPER_LAZY_LOADED=1
     fi