Fix #513, Remove TravisCI Config File

[ArielSAdamsNASA]

Checklist (Please check before submitting)

• I reviewed the Contributing Guide.
• I signed and emailed the appropriate Contributor License Agreement to GSFC-SoftwareRelease@mail.nasa.gov and copied cfs-program@lists.nasa.gov.

Describe the contribution
Fixes #513

Testing performed
N/A

Expected behavior changes
TravisCI will no longer be triggered or used.

Contributor Info - All information REQUIRED for consideration of pull request
Ariel Adams, ASRC Federal