gnuradio{,3_9,3_8}: don't overuse with lib; in meta

pkgs/applications/radio/gnuradio/shared.nix

@@ -123,7 +123,7 @@ in {
     export QT_PLUGIN_PATH="${qt.qtbase.bin}/${qt.qtbase.qtPluginPrefix}"
   '';
 
-  meta = with lib; {
+  meta = {
     description = "Software Defined Radio (SDR) software";
     mainProgram = "gnuradio-config-info";
     longDescription = ''
@@ -136,8 +136,8 @@ in {
       real-world radio systems.
     '';
     homepage = "https://www.gnuradio.org";
-    license = licenses.gpl3;
-    platforms = platforms.unix;
-    maintainers = with maintainers; [ doronbehar bjornfor fpletz jiegec ];
+    license = lib.licenses.gpl3;
+    platforms = lib.platforms.unix;
+    maintainers = with lib.maintainers; [ doronbehar bjornfor fpletz jiegec ];
   };
 }