This change removes the -algo=pta option from cmd/callgraph,
and all the subcommands of cmd/guru, that use pointer analysis.
These features have been poorly supported for a long time,
and the pointer analysis package is about to be tagged and
deleted.
Updates golang/go#59676
Change-Id: Id4ded651b8385c588991d01377b2f087d14ae191
Reviewed-on: https://go-review.googlesource.com/c/tools/+/499696
gopls-CI: kokoro <[email protected]>
Reviewed-by: Bryan Mills <[email protected]>
Run-TryBot: Alan Donovan <[email protected]>
TryBot-Result: Gopher Robot <[email protected]>
