Git::SVN::Utils: remove irrelevant comment
Git::SVN::Utils: remove irrelevant comment

The code doesn't use File::Spec.

[ew: commit title]

Signed-off-by: Eric Wong <8c2951295f8292b0c03727bc4652981172298eae@yhbt.net>

destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git