`rts-1.0.2.conf` (or earlier) specifies `rts.haddock` but no such file ships with GHC

Summary

Since GHC 9.0.1 (at least, on Windows*), the rts-1.0.2.conf file (or its equivalent) has specified a rts.haddock file (in key haddock-interfaces) but no such file is provided with GHC. Before GHC 9.0.1, the rts.conf file did not specify a *.haddock file.

*I also looked inside the *.tar.xz file for GHC 9.8.2/x86_64/Alpine Linux 3.12 (dynamically linked). I think the same is true for Linux.

Expected behavior

Either the *.conf file does not specify a *.haddock file or that the specified rts.haddock file is provided with GHC.

Environment

GHC version used: 9.0.1 to 9.8.2.

Optional:

Operating System: Windows
System Architecture: x86_64

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