[oe] [meta-oe][PATCH] opencv: remove DEFAULT_PREFERENCE = "-1" for 3.1

[wenzong.fan at windriver.com]

From: Wenzong Fan <wenzong.fan at windriver.com>

The opencv 2.4 has been blacklisted, 3.1 should be the default choice
for both opencv and lib32-opencv.

Signed-off-by: Wenzong Fan <wenzong.fan at windriver.com>
---
 meta-oe/recipes-support/opencv/opencv_3.1.bb | 2 --
 1 file changed, 2 deletions(-)

diff --git a/meta-oe/recipes-support/opencv/opencv_3.1.bb b/meta-oe/recipes-support/opencv/opencv_3.1.bb
index 1bbb965..a212f4f 100644
--- a/meta-oe/recipes-support/opencv/opencv_3.1.bb
+++ b/meta-oe/recipes-support/opencv/opencv_3.1.bb
@@ -8,8 +8,6 @@ LIC_FILES_CHKSUM = "file://LICENSE;md5=0ea90d28b4de883d7af5e6711f14f7bf"
 ARM_INSTRUCTION_SET_armv4 = "arm"
 ARM_INSTRUCTION_SET_armv5 = "arm"
 
-DEFAULT_PREFERENCE = "-1"
-
 DEPENDS = "python-numpy libtool swig swig-native python bzip2 zlib glib-2.0 libwebp protobuf protobuf-native"
 
 SRCREV_opencv = "92387b1ef8fad15196dd5f7fb4931444a68bc93a"
-- 
2.8.1