utils: drop default mapping when running uid!=0
this is a leftover from the first implementation of rootless.  This
code is never hit by podman rootless anymore as podman automatically
creates a user namespace now.
Fixes an issue with podman remote when used with uid != 0.
@@ -419,12 +419,6 @@ func ParseIDMapping(mode namespaces.UsernsMode, uidMapSlice, gidMapSlice []strin
if len(uidMapSlice) == 0 && len(gidMapSlice) != 0 {
uidMapSlice = gidMapSlice
}
- if len(uidMapSlice) == 0 && subUIDMap == "" && os.Getuid() != 0 {
- uidMapSlice = []string{fmt.Sprintf("0:%d:1", os.Getuid())}
- }
- if len(gidMapSlice) == 0 && subGIDMap == "" && os.Getuid() != 0 {
- gidMapSlice = []string{fmt.Sprintf("0:%d:1", os.Getgid())}
- }
if subUIDMap != "" && subGIDMap != "" {
mappings, err := idtools.NewIDMappings(subUIDMap, subGIDMap)
