Remove CompactOnMemoryPressure (dotnet/extensions#1056)
Remove CompactOnMemoryPressure (dotnet/extensions#1056)

\n\nCommit migrated from https://github.com/dotnet/extensions/commit/b8984d7f0fe6fc0af16d394f4eb74ee7a83765b7

aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore