./cordova-mobile-spec/createmobilespec.sh
...
cd mobilespec
cordova plugin add ../cordova-labs/android-legacy-websql
agrieve@agrieve-macbookpro ~/git/cordova/mobilespec$ cordova plugin rm org.apache.cordova.legacyandroidwebsql
Uninstalling org.apache.cordova.legacyandroidwebsql from android
Preparing android project
Uninstalling org.apache.cordova.legacyandroidwebsql from ios
Preparing ios project
Deleting plugin org.apache.cordova.legacyandroidwebsql
Found 22 removable plugins. Deleting them.
agrieve@agrieve-macbookpro ~/git/cordova/mobilespec$ cordova plugin ls
No plugins added. Use `cordova plugin add <plugin>`.