core-spec: Modify file paths according to new module hierarchy
This patch updates file paths according to new module hierarchy 1:
- GHC/Core.hs <= coreSyn/CoreSyn.hs
- GHC/Core/Coercion.hs <= types/Coercion.hs
- GHC/Core/Coercion/Axiom.hs <= types/CoAxiom.hs
- GHC/Core/Coercion/Opt.hs <= types/OptCoercion.hs
- GHC/Core/DataCon.hs <= basicTypes/DataCon.hs
- GHC/Core/FamInstEnv.hs <= types/FamInstEnv.hs
- GHC/Core/Lint.hs <= coreSyn/CoreLint.hs
- GHC/Core/Subst.hs <= coreSyn/CoreSubst.hs
- GHC/Core/TyCo/Rep.hs <= types/TyCoRep.hs
- GHC/Core/TyCon.hs <= types/TyCon.hs
- GHC/Core/Type.hs <= types/Type.hs
- GHC/Core/Unify.hs <= types/Unify.hs
- GHC/Types/Literal.hs <= basicTypes/Literal.hs
- GHC/Types/Var.hs <= basicTypes/Var.hs
[skip ci]