t2004: drop unnecessary write-tree/read-tree

Unlike earlier tests which reference several trees prepared by "setup",
no other tests utilize the tree from the "symlink" test, so there is no
need to write it (or read it back immediately).

Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/t/t2004-checkout-cache-temp.sh b/t/t2004-checkout-cache-temp.sh
index 28e50d6..22d1a24 100755 (executable)
--- a/t/t2004-checkout-cache-temp.sh
+++ b/t/t2004-checkout-cache-temp.sh
@@ -198,9 +198,6 @@ test_expect_success 'checkout --temp within subdir' '
 test_expect_success 'checkout --temp symlink' '
        rm -f path* .merge_* actual .git/index &&
        test_ln_s_add b a &&
-       t4=$(git write-tree) &&
-       rm -f .git/index &&
-       git read-tree $t4 &&
        git checkout-index --temp -a >actual &&
        test_line_count = 1 actual &&
        test $(cut "-d  " -f2 actual) = a &&