Revert "Make files hash a type for proper JSON serialization"

This reverts commit e138212593.

deb/package.go

@@ -9,8 +9,6 @@ import (
 	"strings"
 )
 
-type Hash uint64
-
 // Package is single instance of Debian package
 type Package struct {
 	// Basic package properties
@@ -29,7 +27,7 @@ type Package struct {
 	// Is this udeb package
 	IsUdeb bool
 	// Hash of files section
-	FilesHash Hash
+	FilesHash uint64
 	// Is this >= 0.6 package?
 	V06Plus bool
 	// Offload fields
@@ -40,10 +38,6 @@ type Package struct {
 	collection *PackageCollection
 }
 
-func (h *Hash) MarshalJSON() ([]byte, error) {
-	return []byte(fmt.Sprintf("\"%08x\"", *h)), nil
-}
-
 // NewPackageFromControlFile creates Package from parsed Debian control file
 func NewPackageFromControlFile(input Stanza) *Package {
 	result := &Package{
@@ -404,7 +398,7 @@ func (p *Package) Files() PackageFiles {
 // UpdateFiles saves new state of files
 func (p *Package) UpdateFiles(files PackageFiles) {
 	p.files = &files
-	p.FilesHash = Hash(files.Hash())
+	p.FilesHash = files.Hash()
 }
 
 // Stanza creates original stanza from package