cmd/compile/internal/staticdata: remove use of `""` in embed linker symbols
Not strictly necessary for CL 393715, but this is necessary if we want
to remove the logic from cmd/internal/obj for substituting `""` in
linker symbol names.
Updates #51734.
Change-Id: Ib13cb12fa3973389ca0c1c9a9209e00c30dc9431
Reviewed-on: https://go-review.googlesource.com/c/go/+/406058
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: David Chase <drchase@google.com>