Delete unused internal/users package

This is a leftover from the `osbuild/images` split`.

Signed-off-by: Tomáš Hozza <thozza@redhat.com>

internal/users/users.go

@@ -1,40 +0,0 @@
-package users
-
-import "github.com/osbuild/osbuild-composer/internal/blueprint"
-
-type User struct {
-	Name        string
-	Description *string
-	Password    *string
-	Key         *string
-	Home        *string
-	Shell       *string
-	Groups      []string
-	UID         *int
-	GID         *int
-}
-
-type Group struct {
-	Name string
-	GID  *int
-}
-
-func UsersFromBP(userCustomizations []blueprint.UserCustomization) []User {
-	users := make([]User, len(userCustomizations))
-	for idx := range userCustomizations {
-		// currently, they have the same structure, so we convert directly
-		// this will fail to compile as soon as one of the two changes
-		users[idx] = User(userCustomizations[idx])
-	}
-	return users
-}
-
-func GroupsFromBP(groupCustomizations []blueprint.GroupCustomization) []Group {
-	groups := make([]Group, len(groupCustomizations))
-	for idx := range groupCustomizations {
-		// currently, they have the same structure, so we convert directly
-		// this will fail to compile as soon as one of the two changes
-		groups[idx] = Group(groupCustomizations[idx])
-	}
-	return groups
-}