extra-cmake-modules: fix SDK build
Since the recipe does not produce a package, a run-time dependency should be removed, otherwise SDK build produces the error as follows:
The following packages have unmet dependencies: extra-cmake-modules-dev : Depends: extra-cmake-modules (= 5.88.0-r0) but it is not installable
Signed-off-by: Vyacheslav Yurkov v.yurkov@precitec.de