BG-10736: Temporarily disable npm audit to unbreak travis
BG-10736: Temporarily disable npm audit to unbreak travis

* Today a vulnerability was announced in a dependency of karma: https://nodesecurity.io/advisories/786
* The fix has not yet been included in karma, causing npm audit failures
* Travis fails if npm audit fails, so we need to temporarily
disable that in order for builds to pass

Signed-off-by: Tyler Levine <ae42760ef71e07cdc78c21849b44551816bda917@bitgo.com>

BitGo/BitGoJS,BitGo/BitGoJS,BitGo/BitGoJS,BitGo/BitGoJS