maintainers: drop oosquare

maintainers/maintainer-list.nix

···
     name = "Oops418";
     githubId = 93655215;
   };
-  oosquare = {
-    name = "Justin Chen";
-    email = "[e-mail]";
-    github = "oosquare";
-    githubId = 42143810;
-  };
   opeik = {
     email = "[e-mail]";
     github = "opeik";

pkgs/by-name/bi/biliup-rs/package.nix

···
     description = "CLI tool for uploading videos to Bilibili";
     homepage = "https://biliup.github.io/biliup-rs";
     license = lib.licenses.mit;
-    maintainers = with lib.maintainers; [ oosquare ];
+    maintainers = with lib.maintainers; [ ];
     mainProgram = "biliup";
     platforms = lib.platforms.all;
   };

pkgs/by-name/fc/fcitx5-fluent/package.nix

···
     homepage = "https://github.com/Reverier-Xu/Fluent-fcitx5";
     license = licenses.mpl20;
     platforms = platforms.all;
-    maintainers = with maintainers; [ oosquare ];
+    maintainers = with maintainers; [ ];
   };
 }

pkgs/by-name/lx/lx-music-desktop/package.nix

···
     platforms = electron.meta.platforms;
     sourceProvenance = with lib.sourceTypes; [ binaryNativeCode ];
     mainProgram = "lx-music-desktop";
-    maintainers = with lib.maintainers; [ oosquare ];
+    maintainers = with lib.maintainers; [ ];
   };
 }

pkgs/by-name/ug/ugm/package.nix

···
     license = licenses.mit;
     mainProgram = "ugm";
     platforms = platforms.linux;
-    maintainers = with maintainers; [ oosquare ];
+    maintainers = with maintainers; [ ];
   };
 }