go/parser: skip TestParseDepthLimit for short tests

go/parser: skip TestParseDepthLimit for short tests

Because it requires a not insignificant amount of memory to run. Also
remove the WASM-only skip from TestScopeDepthLimit, which is less
intensive.

Fixes #53816

Change-Id: I8463046510ce4dd3d8f6d66938828d5e6963c3be
Reviewed-on: https://go-review.googlesource.com/c/go/+/417657
Auto-Submit: Roland Shoemaker <roland@golang.org>
Reviewed-by: Bryan Mills <bcmills@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Roland Shoemaker <roland@golang.org>