Migrate location-related structs to the file package (#1751)

* migrate location structs to file package

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

* replace source.Location refs with file package call

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

* fix linting

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

* remove hardlink test for file based catalogers

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

* remove hardlink test for all-regular-files testing

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

* migrate file resolver implementations to separate package

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

* fix linting

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

* [wip] migrate resolvers to internal

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

* migrate resolvers to syft/internal

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

---------

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>
Signed-off-by: <>

syft/linux/identify_release.go

@@ -11,7 +11,7 @@ import (
 
 	"github.com/anchore/syft/internal"
 	"github.com/anchore/syft/internal/log"
-	"github.com/anchore/syft/syft/source"
+	"github.com/anchore/syft/syft/file"
 )
 
 // returns a distro or nil
@@ -54,7 +54,7 @@ var identityFiles = []parseEntry{
 }
 
 // IdentifyRelease parses distro-specific files to discover and raise linux distribution release details.
-func IdentifyRelease(resolver source.FileResolver) *Release {
+func IdentifyRelease(resolver file.Resolver) *Release {
 	logger := log.Nested("operation", "identify-release")
 	for _, entry := range identityFiles {
 		locations, err := resolver.FilesByPath(entry.path)