dont remediate any ports which are admin disabled
dont remediate any ports which are admin disabled

Summary:
Presently we will remediate ports which are enabled in config but
operationally down. If we take a port admin down some other way, we will still
remediate the ports which results in fixing the port.

Reviewed By: aeckert

Differential Revision: D5451139

fbshipit-source-id: b3114da4ed0ef9f4b2538f0ad2f4e19eb0a6f4f6

peterlei/fboss,peterlei/fboss,peterlei/fboss,peterlei/fboss