Exclude local subject headings when suppressing subject headings from display and facets

[SofiaSlutskaya]

Please do not suppress headings that are formatted 6XX _ $a $2 local $5 GEU

$5 GEU means that these are local headings used by Emory catalogers.

Thank you!

Additional context:

• Value score = 7; LibSComm patron impact score = 2.56

[tclayton33]

Full details for this are documented in ticket no. 1355 - unsuppress local subject headings from item display and facets.