Revert "Bug 576024 - Multiple adapters for a adaptableType/class tuple"

This reverts commit ea28f6ab1fc5b1425b3ebf11dfca3e5c109949b4.

Reason for revert: Patch cause test failures and severe regressions.

Change-Id: Ib6e61f362c99f65fddffa24e7c22def37bad0653
Reviewed-on: https://git.eclipse.org/r/c/equinox/rt.equinox.bundles/+/186165
Tested-by: Mickael Istria <mistria@redhat.com>
Reviewed-by: Mickael Istria <mistria@redhat.com>
11 files changed