Drop unnecessary err check at start of walker

Author: sdboyer

internal/gps/strip_vendor.go

@@ -12,10 +12,6 @@ import (
 )
 
 func stripVendor(path string, info os.FileInfo, err error) error {
-	if err != nil && err != filepath.SkipDir {
-		return err
-	}
-
 	if info.Name() == "vendor" {
 		if _, err := os.Lstat(path); err != nil {
 			return err

internal/gps/strip_vendor_windows.go

@@ -10,10 +10,6 @@ import (
 )
 
 func stripVendor(path string, info os.FileInfo, err error) error {
-	if err != nil && err != filepath.SkipDir {
-		return err
-	}
-
 	if info.Name() == "vendor" {
 		if _, err := os.Lstat(path); err == nil {
 			symlink := (info.Mode() & os.ModeSymlink) != 0