refactor go-flags initialization

rootfs/BUILD

@@ -9,10 +9,6 @@ go_library(
     ],
     importpath = "github.com/motiejus/code/undocker/rootfs",
     visibility = ["//visibility:public"],
-    deps = [
-        "//src/undocker/internal/bytecounter:go_default_library",
-        "@org_uber_go_multierr//:go_default_library",
-    ],
 )
 
 go_test(

rootfs/doc.go

@@ -2,7 +2,7 @@
 // tarball. It will go trough all layers in order and copy every file to the
 // destination archive.
 //
-// Except it will also reasonably process those files.
+// It will also reasonably process those files.
 //
 // == Non-directory will be copied only once ==
 // A non-directory will be copied only once, only from within it's past