dev-python/qiskit-aer: don't install junk to /usr

scikit-build bug.

Closes: https://bugs.gentoo.org/858128
Signed-off-by: Sam James <sam@gentoo.org>

dev-python/qiskit-aer/qiskit-aer-0.11.1-r1.ebuild

@@ -76,6 +76,8 @@ pkg_setup() {
 python_prepare_all() {
 	export DISABLE_CONAN="ON"
 	export DISABLE_DEPENDENCY_INSTALL="ON"
+	#export SKBUILD_CONFIGURE_OPTIONS=""
+
 	distutils-r1_python_prepare_all
 }
 
@@ -87,6 +89,17 @@ python_test() {
 	mv qiskit_aer.hidden qiskit_aer || die
 }
 
+python_install_all() {
+	distutils-r1_python_install_all
+
+	# Remove bits we don't want installed (bug in scikit-build)
+	# bug #858128
+	# https://github.com/Qiskit/qiskit-aer/issues/1457
+	# https://github.com/Qiskit/qiskit-aer/issues/1574
+	# https://github.com/scikit-build/scikit-build/issues/590
+	rm -r "${ED}"/usr/{CMakeLists.txt,MANIFEST.in,README.md,cmake,contrib,pyproject.toml,src} || die
+}
+
 pkg_postinst() {
 	check_openblas
 }