opencv: remove unused patch file

* it was removed from SRC_URI in:
  https://git.openembedded.org/meta-openembedded/commit/?id=d0e72f07d3f6362a8d3f070ca00c153aae718cb7

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-oe/recipes-support/opencv/opencv/0001-3rdparty-ippicv-Use-pre-downloaded-ipp.patch

@@ -1,36 +0,0 @@
-From 9b4959b97d2e95d4b49cf6ca2a3fce3cdb484f2d Mon Sep 17 00:00:00 2001
-From: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
-Date: Thu, 31 Mar 2016 00:20:15 +0200
-Subject: [PATCH] 3rdparty/ippicv: Use pre-downloaded ipp
-
-Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
-Signed-off-by: Ismo Puustinen <ismo.puustinen@intel.com>
-
----
- 3rdparty/ippicv/ippicv.cmake | 15 +--------------
- 1 file changed, 1 insertion(+), 14 deletions(-)
-
-diff --git a/3rdparty/ippicv/ippicv.cmake b/3rdparty/ippicv/ippicv.cmake
-index 257af6fcc6..f88460450f 100644
---- a/3rdparty/ippicv/ippicv.cmake
-+++ b/3rdparty/ippicv/ippicv.cmake
-@@ -34,18 +34,5 @@ function(download_ippicv root_var)
-   endif()
- 
-   set(THE_ROOT "${OpenCV_BINARY_DIR}/3rdparty/ippicv")
--  ocv_download(FILENAME ${OPENCV_ICV_NAME}
--               HASH ${OPENCV_ICV_HASH}
--               URL
--                 "${OPENCV_IPPICV_URL}"
--                 "$ENV{OPENCV_IPPICV_URL}"
--                 "https://raw.githubusercontent.com/opencv/opencv_3rdparty/${IPPICV_COMMIT}/ippicv/"
--               DESTINATION_DIR "${THE_ROOT}"
--               ID IPPICV
--               STATUS res
--               UNPACK RELATIVE_URL)
--
--  if(res)
--    set(${root_var} "${THE_ROOT}/${OPENCV_ICV_PACKAGE_SUBDIR}" PARENT_SCOPE)
--  endif()
-+  set(${root_var} "${THE_ROOT}/${OPENCV_ICV_PACKAGE_SUBDIR}" PARENT_SCOPE)
- endfunction()