Auto merge of rust-lang#86003 - pnkfelix:issue-84297-revert-81238, r=Mark-Simulacrum

Make copy/copy_nonoverlapping fn's again

Make copy/copy_nonoverlapping fn's again, rather than intrinsics.

This a short-term change to address issue rust-lang#84297.

It effectively reverts PRs rust-lang#81167 rust-lang#81238 (and part of rust-lang#82967), rust-lang#83091, and parts of rust-lang#79684.

Author: bors

clippy_utils/src/paths.rs

@@ -116,8 +116,8 @@ pub const PERMISSIONS_FROM_MODE: [&str; 7] = ["std", "os", "imp", "unix", "fs",
 pub const POLL: [&str; 4] = ["core", "task", "poll", "Poll"];
 pub const POLL_PENDING: [&str; 5] = ["core", "task", "poll", "Poll", "Pending"];
 pub const POLL_READY: [&str; 5] = ["core", "task", "poll", "Poll", "Ready"];
-pub const PTR_COPY: [&str; 4] = ["core", "intrinsics", "", "copy"];
-pub const PTR_COPY_NONOVERLAPPING: [&str; 4] = ["core", "intrinsics", "", "copy_nonoverlapping"];
+pub const PTR_COPY: [&str; 3] = ["core", "intrinsics", "copy"];
+pub const PTR_COPY_NONOVERLAPPING: [&str; 3] = ["core", "intrinsics", "copy_nonoverlapping"];
 pub const PTR_EQ: [&str; 3] = ["core", "ptr", "eq"];
 pub const PTR_NULL: [&str; 3] = ["core", "ptr", "null"];
 pub const PTR_NULL_MUT: [&str; 3] = ["core", "ptr", "null_mut"];