nfs-ganesha/ntirpc: drop

We've gone with a 9p solution for sharing files with VMs.

BUG=chromium:967158
TEST=CQ passes

Change-Id: I9f55ff75b3434900d6c0ec06ae98795a8cabe709
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/manifest/+/1954678Reviewed-by: Stephen Barber <smbarber@chromium.org>
Commit-Queue: Mike Frysinger <vapier@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>

full.xml

@@ -396,14 +396,8 @@ Your sources have been sync'd successfully.
            name="chromiumos/third_party/mmc-utils" />
   <project path="src/third_party/modemmanager-next"
            name="chromiumos/third_party/modemmanager-next" />
-  <project path="src/third_party/nfs-ganesha"
-           name="chromiumos/third_party/nfs-ganesha"
-           revision="refs/heads/V2.3-stable" />
   <project path="src/third_party/novatek-tcon-fw-update-tool"
            name="chromiumos/third_party/novatek-tcon-fw-update-tool" />
-  <project path="src/third_party/ntirpc"
-           name="chromiumos/third_party/ntirpc"
-           revision="refs/heads/V1.3.3-cros" />
   <project path="src/third_party/portage-stable"
            name="chromiumos/overlays/portage-stable"
            groups="minilayout,firmware,labtools" />