Cleanup `fmt.hh` (cherry picked from commit 47a1dbb4b8e7913cbb9b4d604728b912e76e4ca0) Change-Id: Id076a45cb39652f437fe3f8bda10c310a9894777
Cleanup `fmt.hh` (cherry picked from commit 47a1dbb4b8e7913cbb9b4d604728b912e76e4ca0) Change-Id: Id076a45cb39652f437fe3f8bda10c310a9894777