interpret: clean up AllocBytes

[RalfJung]

Fixes rust-lang/miri#2836
Nothing has moved here in half a year, so let's just remove these unused stubs -- they need a proper re-design anyway.

r? @oli-obk

[rustbot]

Some changes occurred to the CTFE / Miri engine

cc @rust-lang/miri

Some changes occurred to the CTFE / Miri engine

cc @rust-lang/miri

[oli-obk]

@bors r+ rollup

[bors]

📌 Commit 9c417a4 has been approved by oli-obk

It is now in the queue for this repository.

[bors]

⌛ Testing commit 9c417a4 with merge a00c09e...

[bors]

☀️ Test successful - checks-actions
Approved by: oli-obk
Pushing a00c09e to master...

[rust-timer]

Finished benchmarking commit (a00c09e): comparison URL.

Overall result: no relevant changes - no action needed

@rustbot label: -perf-regression

Instruction count

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

Max RSS (memory usage)

Results

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)	3.5%	[3.5%, 3.5%]	1
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-1.4%	[-1.4%, -1.4%]	1
All ❌✅ (primary)	-	-	0

Cycles

Results

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)	2.1%	[2.1%, 2.1%]	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: 624.376s -> 624.367s (-0.00%)
Artifact size: 305.51 MiB -> 305.57 MiB (0.02%)