Auto merge of #143289 - scottmcm:remove-array-chunks, r=jhpratt

Remove `[T]::array_chunks(_mut)`

Since libs-api is proposing as much in rust-lang/rust#74985 (comment)

Closes rust-lang/rust#74985
Closes rust-lang/rust#76354

try-job: dist-various-1
try-job: dist-various-2

Author: bors