Update comment on PrimTy::name_str

[jyn514]

It's no longer used by rustdoc.

[rust-highfive]

r? @Mark-Simulacrum

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[jyn514]

I checked and the other name_str functions are still needed:

error[E0599]: no method named `name_str` found for enum `rustc_type_ir::IntTy` in the current scope
   --> compiler/rustc_middle/src/ty/print/pretty.rs:527:44
    |
527 |             ty::Int(t) => p!(write("{}", t.name_str())),
    |                                            ^^^^^^^^ method not found in `rustc_type_ir::IntTy`

[rust-log-analyzer]

The job mingw-check failed! Check out the build log: (web) (plain)

Click to see the possible cause of the failure (guessed by this bot)

    Checking clippy_utils v0.1.53 (/checkout/src/tools/clippy/clippy_utils)
    Checking url v2.1.1
    Checking cargo_metadata v0.12.0
    Checking clippy_lints v0.1.53 (/checkout/src/tools/clippy/clippy_lints)
error[E0599]: no method named `name_str` found for enum `rustc_hir::PrimTy` in the current scope
  --> src/tools/clippy/clippy_lints/src/from_str_radix_10.rs:89:63
   |
89 |                     format!("{}.parse::<{}>()", sugg, prim_ty.name_str()),
   |                                                               ^^^^^^^^ method not found in `rustc_hir::PrimTy`
error: aborting due to previous error

For more information about this error, try `rustc --explain E0599`.
error: could not compile `clippy_lints`

[jyn514]

Well, I guess it's used by clippy now instead. I'll update the comment.

[Mark-Simulacrum]

@bors r+ rollup

[bors]

📌 Commit 2b02678 has been approved by Mark-Simulacrum