jetbrains: refactor some builder attributes

pkgs/applications/editors/jetbrains/builder/darwin.nix

@@ -33,8 +33,6 @@ lib.extendMkDerivation {
 
       dontFixup = true;
 
-      plugins = [ ];
-
       installPhase = ''
         runHook preInstall
         APP_DIR="$out/Applications/${product}.app"

pkgs/applications/editors/jetbrains/builder/linux.nix

@@ -187,11 +187,10 @@ lib.extendMkDerivation {
         runHook postInstall
       '';
 
+      preferLocalBuild = !(finalAttrs.meta.license.free or true);
+
       meta = meta // {
         mainProgram = pname;
       };
-    }
-    // lib.optionalAttrs (!(meta.license.free or true)) {
-      preferLocalBuild = true;
     };
 }