Revert "spec: vendored_gems coverage result merge with canvas"

This reverts commit 19a27ae758482b0907c5b4bc45c63c2e2ccf322b.

Change-Id: Icd11deec1340057bf2a1fc541a9a7848d11d6b7e
Reviewed-on: https://gerrit.instructure.com/30881
Reviewed-by: Shawn Meredith <shawn@instructure.com>
Product-Review: Shawn Meredith <shawn@instructure.com>
QA-Review: Shawn Meredith <shawn@instructure.com>
Tested-by: Shawn Meredith <shawn@instructure.com>