BUG: don't set opencv dir in Superbuild scripts as cmake should be able to...

BUG: don't set opencv dir in Superbuild scripts as cmake should be able to find it and because share/OpenCV does not exist in opencv4
25 jobs for !725 with opencv4_superbuild in 151 minutes and 44 seconds (queued for 4 seconds)
detached
Status Job ID Name Coverage
  Precheck
passed #28023
fast-build

00:02:08

passed #28024
legal-check

00:02:51

 
  Prepare
passed #28026
centos-xdk-prepare

00:24:30

passed #28027
macos
macos-xdk-prepare

00:44:03

passed #28025
ubuntu-xdk-prepare

00:24:21

passed #28028
windows10
windows-10-prepare

00:32:06

passed #28042
windows8
windows-8-prepare

00:29:18

failed #28029
windows8
windows-8-prepare

00:28:21

 
  Build
passed #28032
centos-xdk-build

00:39:40

passed #28030
debian-build

00:24:36

passed #28033
macos
macos-xdk-build

00:44:24

passed #28031
ubuntu-xdk-build-doc

00:37:19

passed #28036
ubuntu-xdk-qa-code-coverage

01:00:35

passed #28037
ubuntu-xdk-qa-static-analysis

00:42:15

passed #28034
windows10
windows-10-build

01:01:21

passed #28035
windows8
windows-8-build

00:55:49

 
  Report
passed #28038
ubuntu-xdk-report

00:06:08

 
  External
passed cdash:centos-6.6-gcc

passed cdash:debian-testing-gcc

passed cdash:macos-10.11.6-clang

passed cdash:ubuntu-18.04-fast

passed cdash:ubuntu-18.04-llvm-qa

passed cdash:ubuntu-18.04-llvm-xdk

passed cdash:windows-10-x64-vc14.0

passed cdash:windows-8.1-x86-vc14.0