openssl3: Set openssldir to /etc/ssl

Without this it defaulted to $prefix/ssl which was /usr/ssl.
However ca-certificates installs the certificates in /etc/ssl.
Also there is no longer anything at "${COOKBOOK_STAGE}/"{share,ssl}
to delete.

recipes/wip/libs/tls/openssl3/recipe.toml

@@ -21,6 +21,7 @@ COOKBOOK_CONFIGURE_FLAGS=(
     enable-zstd
     "${OS}-${ARCH}"
     --prefix="/usr"
+    --openssldir="/etc/ssl"
 )
 
 if [ "${COOKBOOK_DYNAMIC}" = "1" ]; then
@@ -32,5 +33,4 @@ fi
 "${COOKBOOK_CONFIGURE}" "${COOKBOOK_CONFIGURE_FLAGS[@]}"
 "${COOKBOOK_MAKE}" -j1 # bug in make/ar
 "${COOKBOOK_MAKE}" install_sw install_ssldirs DESTDIR="${COOKBOOK_STAGE}"
-rm -rfv "${COOKBOOK_STAGE}/"{share,ssl}
 """