MFH: r423316

graphics/opencv: back out r423063 for breaking consumers on 9.x

/usr/local/lib/libopencv_core.so.2: undefined reference to `std::ctype<char>::_M_widen_init() const at GLIBCXX_3.4.11'

Reported by: pkg-fallout, abi@abinet.ru
Approved by: ports-secteam blanket