Rollup merge of #129767 - nnethercote:rm-extern-crate-tracing-4, r=jieyouxu

Remove `#[macro_use] extern crate tracing`, round 4

Because explicit importing of macros via use items is nicer (more standard and readable) than implicit importing via #[macro_use]. Continuing the work from #124511, #124914, and #125434. After this PR no `rustc_*` crates use `#[macro_use] extern crate tracing` except for `rustc_codegen_gcc` which is a special case and I will do separately.

r? ```@jieyouxu```

compiler/rustc_hir_analysis/src/collect/predicates_of.rs

@@ -10,6 +10,7 @@ use rustc_middle::ty::{self, GenericPredicates, ImplTraitInTraitData, Ty, TyCtxt
 use rustc_middle::{bug, span_bug};
 use rustc_span::symbol::Ident;
 use rustc_span::{Span, DUMMY_SP};
+use tracing::{debug, instrument, trace};
 
 use crate::bounds::Bounds;
 use crate::collect::ItemCtxt;