Merging changes synced from https://github.com/MicrosoftDocs/cpp-docs-pr (branch live)

Author: opbld17

docs/build/toc.yml

@@ -775,7 +775,6 @@
                       href: ../build/reference/zc-inline-remove-unreferenced-comdat.md
                     - name: "/Zc:lambda (Enable updated lambda processor)"
                       href: ../build/reference/zc-lambda.md
-                    - name: "/Zc:preprocessor (Enable preprocessor conformance mode)"
                     - name: "/Zc:noexceptTypes (C++17 noexcept rules)"
                       href: ../build/reference/zc-noexcepttypes.md
                     - name: "/Zc:preprocessor (Enable preprocessor conformance mode)"