Revert "Merge #107253: bintools-wrapper: fix inverted link32 check"
Revert "Merge #107253: bintools-wrapper: fix inverted link32 check"

This reverts commit 241c3912555e0f80e3a61a808c70986f0f4cb8fe, reversing
changes made to ab8c2b2b2ca6579104f5692ead859db31030de35.

These toolchain changes are too problematic, so reverting for now; see
https://github.com/NixOS/nixpkgs/pull/107086#issuecomment-749196366

NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs