Revert #130040 - unify llvm-bitcode-linker, wasm-component-ld and llvm-tools logics

[ehuss]

This is a revert of #130040 to fix #130291 which is preventing installing nightly with the llvm-tools component due to a conflict with the bin/llc file which exists in both the rustc and llvm-tools components.

[rustbot]

r? @onur-ozkan

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[onur-ozkan]

@bors r+ p=1

[bors]

📌 Commit df8e6c3 has been approved by onur-ozkan

It is now in the queue for this repository.

[bors]

⌛ Testing commit df8e6c3 with merge d0985bb...

[bors]

☀️ Test successful - checks-actions
Approved by: onur-ozkan
Pushing d0985bb to master...

[rust-timer]

Finished benchmarking commit (d0985bb): comparison URL.

Overall result: ❌ regressions - no action needed

@rustbot label: -perf-regression

Instruction count

This is a highly reliable metric that was used to determine the overall result at the top of this comment.

	mean	range	count
Regressions ❌ (primary)	-	-	0
Regressions ❌ (secondary)	0.9%	[0.4%, 1.4%]	2
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-	-	0
All ❌✅ (primary)	-	-	0

Max RSS (memory usage)

Results (primary -1.9%, secondary 3.0%)

This is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.

	mean	range	count
Regressions ❌ (primary)	-	-	0
Regressions ❌ (secondary)	3.0%	[1.2%, 4.4%]	4
Improvements ✅ (primary)	-1.9%	[-1.9%, -1.9%]	1
Improvements ✅ (secondary)	-	-	0
All ❌✅ (primary)	-1.9%	[-1.9%, -1.9%]	1

Cycles

Results (secondary 2.2%)

This is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.

	mean	range	count
Regressions ❌ (primary)	-	-	0
Regressions ❌ (secondary)	2.2%	[2.2%, 2.2%]	1
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-	-	0
All ❌✅ (primary)	-	-	0

Binary size

This benchmark run did not return any relevant results for this metric.

Bootstrap: 759.189s -> 756.26s (-0.39%)
Artifact size: 341.20 MiB -> 341.29 MiB (0.03%)