Remove redundant SOURCE import in FitTypes.hs-boot
#20995 (closed) points out that there is an unnecessary SOURCE
import in GHC.Tc.Errors.Hole.FitType.hs-boot
. This removes it.
#20995 (closed) points out that there is an unnecessary SOURCE
import in GHC.Tc.Errors.Hole.FitType.hs-boot
. This removes it.