various: remove chewblacka as package maintainer

pkgs/applications/misc/electrum/default.nix

@@ -158,7 +158,6 @@ python3.pkgs.buildPythonApplication rec {
       joachifm
       np
       prusnak
-      chewblacka
     ];
     mainProgram = "electrum";
   };

pkgs/applications/science/math/mathematica/default.nix

@@ -78,7 +78,6 @@ callPackage ./generic.nix {
     maintainers = with maintainers; [
       herberteuler
       rafaelrc
-      chewblacka
     ];
     platforms = [ "x86_64-linux" ];
   };

pkgs/by-name/cl/clamtk/package.nix

@@ -90,7 +90,6 @@ perlPackages.buildPerlPackage rec {
     homepage = "https://github.com/dave-theunsub/clamtk";
     platforms = platforms.linux;
     maintainers = with maintainers; [
-      chewblacka
       ShamrockLee
     ];
   };

pkgs/by-name/on/onedrivegui/package.nix

@@ -100,7 +100,7 @@ python3Packages.buildPythonApplication rec {
     description = "Simple GUI for Linux OneDrive Client, with multi-account support";
     mainProgram = "onedrivegui";
     license = licenses.gpl3Only;
-    maintainers = with maintainers; [ chewblacka ];
+    maintainers = with maintainers; [ ];
     platforms = platforms.linux;
   };
 }

pkgs/by-name/re/refind/package.nix

@@ -173,7 +173,7 @@ stdenv.mkDerivation rec {
       Linux kernels that provide EFI stub support.
     '';
     homepage = "http://refind.sourceforge.net/";
-    maintainers = with maintainers; [ chewblacka ];
+    maintainers = with maintainers; [ ];
     platforms = [
       "i686-linux"
       "x86_64-linux"