EPA: Avoid duplicated comments in splice decls
This is the last of the diffs to provide workable ghc-exactprint support for GHC 9.10.1, when backported.
Contributes to #24669 (closed)
This is the last of the diffs to provide workable ghc-exactprint support for GHC 9.10.1, when backported.
Contributes to #24669 (closed)