Drop upgrade-cancel callback registration for a generic "cancelable"

Pull Request #10770

State completed
Build time Total: 44 minutes
8 minutes for macOS
15 minutes for Windows
21 minutes for Linux
Platforms   
Start Date2017-07-11 09:13:04 UTC
Github#10770
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Author TheBlueMatt
Pull request head hashd1db1f11
Build styleThis pull request was built on top of current master
Build Log HEAD~68fe6094 Merge branch '2017-07-upgrade-cancel-nits' of https://github.com/TheBlueMatt/bitcoin
21ed30a Merge #10179: Give CValidationInterface Support for calling notifications on the CScheduler Thread
d1db1f1 Clarify cancel_possible docs in a few places.
1f668b6 Expose if CScheduler is being serviced, assert its not in EmptyQueue
9edda0c Merge #10747: [rpc] fix verbose argument for getblock in bitcoin-cli
1d62f6e Drop upgrade-cancel callback registration for a generic "cancelable"