Remove chrome_history open from bin/chrome-history

These break the chrome_history command.
Fix the `chrome-history` command which was failing with "No such file or directory" and "no such table: urls" errors due to local variable shadowing. This function is trying to access the chrome_history and open vars that are in outer scope.

Author: keithlee96

bin/chrome-history

@@ -41,7 +41,7 @@ trap cleanup EXIT
 
 # browse Chrome history
 chrome-history() {
-  local cols sep chrome_history open
+  local cols sep
   cols=$(( COLUMNS / 3 ))
   sep='{::}'