enter_chroot: delete old subversion logic

We deleted all svn tools from the tree already.

BUG=chromium:879376
TEST=CQ passes

Change-Id: If9e66747c63bb445a8d0d4463a2d964166fcbe06
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosutils/+/2276815
Reviewed-by: Alex Klein <saklein@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
Commit-Queue: Mike Frysinger <vapier@chromium.org>
diff --git a/sdk_lib/enter_chroot.sh b/sdk_lib/enter_chroot.sh
index 77d384a..ab52b36 100755
--- a/sdk_lib/enter_chroot.sh
+++ b/sdk_lib/enter_chroot.sh
@@ -521,21 +521,6 @@
       fi
     fi
 
-    if [[ -d "$SUDO_HOME/.subversion" ]]; then
-      TARGET="/home/${SUDO_USER}/.subversion"
-      setup_mount "${SUDO_HOME}/.subversion" "--bind" "${TARGET}"
-      # Symbolic-link the .subversion directory so sandboxed subversion.class
-      # clients can use it.
-      for d in \
-        "${FLAGS_cache_dir}"/distfiles/{host,target}/svn-src/"${SUDO_USER}"; do
-        if [[ ! -L "${d}/.subversion" ]]; then
-          rm -rf "${d}/.subversion"
-          user_mkdir "${d}"
-          user_symlink /home/${SUDO_USER}/.subversion "${d}/.subversion"
-        fi
-      done
-    fi
-
     # A reference to the DEPOT_TOOLS path may be passed in by cros_sdk.
     if [ -n "${DEPOT_TOOLS}" ]; then
       debug "Mounting depot_tools"