Remove "-s" and "-w" from the ldflags example

The go linker `-s` and `-w` flags respectively are for:

- Omit the symbol table and debug information.
- Omit the DWARF symbol table.

Those actions should be delegated to the fixup build phase instead.

See: https://discourse.nixos.org/t/why-do-so-many-go-packages-use-s-w-in-their-ldflags-it-breaks-dontfixup-dontstrip/36843

doc/languages-frameworks/go.section.md

@@ -132,7 +132,6 @@ Arguments to pass to the Go linker tool via the `-ldflags` argument of `go build
 
 ```nix
   ldflags = [
-    "-s" "-w"
     "-X main.Version=${version}"
     "-X main.Commit=${version}"
   ];