Revert "cmd/compile: allow more inlining of functions that construct closures"

Revert "cmd/compile: allow more inlining of functions that construct closures"

This reverts commit http://go.dev/cl/c/482356.

Reason for revert: Reverting this change again, since it is causing additional failures in google-internal testing.

Change-Id: I9234946f62e5bb18c2f873a65e8b298d04af0809
Reviewed-on: https://go-review.googlesource.com/c/go/+/484735
Reviewed-by: Florian Zenker <floriank@google.com>
Run-TryBot: Than McIntosh <thanm@google.com>
Auto-Submit: Than McIntosh <thanm@google.com>
Reviewed-by: Than McIntosh <thanm@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>