t3203: drop "always" color test

In preparation for the behavior of "always" changing to
match "auto", we can simply drop this test. We already check
other forms (like "--color") independently.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Author: peff

t/t3203-branch-output.sh

@@ -258,12 +258,6 @@ test_expect_success TTY '%(color) present with tty' '
 	test_cmp expect.color actual
 '
 
-test_expect_success 'color.branch=always overrides auto-color' '
-	git -c color.branch=always branch $color_args >actual.raw &&
-	test_decode_color <actual.raw >actual &&
-	test_cmp expect.color actual
-'
-
 test_expect_success '--color overrides auto-color' '
 	git branch --color $color_args >actual.raw &&
 	test_decode_color <actual.raw >actual &&