Fix channel, remove outdated file

Author: Tobias-Fischer

.scripts/build_unix.sh

@@ -33,7 +33,7 @@ for recipe in ${CURRENT_RECIPES[@]}; do
 	pixi run -v rattler-build build \
 		--recipe ${FEEDSTOCK_ROOT}/recipes/${recipe} \
 		-m ${FEEDSTOCK_ROOT}/conda_build_config.yaml \
-		-c robostack-staging -c conda-forge \
+		-c robostack-jazzy -c conda-forge \
 		${extra_channel} \
 		--output-dir $CONDA_BLD_PATH \
 		${cross_compile}