removing reference to ic-brand-secondary within legacy wizard
removing reference to ic-brand-secondary within legacy wizard

Fixes: CNVS-23022

Test Plan:
- not sure where this can be viewed in the live/testing environment
- note on the code that ic-brand-secondary reference has been
  removed and the neutral gray #414141 has been used

Change-Id: I60436b4825da11d1c08866eff2e9231154374f7c
Reviewed-on: https://gerrit.instructure.com/62735
Reviewed-by: Jennifer Stern <7e594e5cba47371ac9ee694a84b9d94f9f6ec815@instructure.com>
Product-Review: Jennifer Stern <7e594e5cba47371ac9ee694a84b9d94f9f6ec815@instructure.com>
Tested-by: Jenkins
QA-Review: Myller de Araujo <e5c7c5e1b7f2ce5e9870cc98ec52b20b3006cb48@instructure.com>

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