build-svt-av1: remove lib/cmake

Author: m154k1

build-svt-av1

@@ -31,6 +31,7 @@ cmake --build "${builddir}"
 rm -rf "${pkgdir}"
 
 cmake --install "${builddir}"
+rm -rf "${pkgdir}"/lib/cmake
 stow -Rd "${STOWDIR}" "${pkgname}"
 
 rm -rf "${builddir}"