Trim ehmry from some package maintainers

I prefer not to be associated with anything blockchain related.

pkgs/applications/blockchains/monero/default.nix

@@ -63,6 +63,6 @@ stdenv.mkDerivation rec {
     homepage    = "https://getmonero.org/";
     license     = licenses.bsd3;
     platforms   = platforms.all;
-    maintainers = with maintainers; [ ehmry rnhmjoj ];
+    maintainers = with maintainers; [ rnhmjoj ];
   };
 }

pkgs/applications/misc/electrum/default.nix

@@ -150,6 +150,6 @@ python3.pkgs.buildPythonApplication {
     homepage = "https://electrum.org/";
     license = licenses.mit;
     platforms = platforms.all;
-    maintainers = with maintainers; [ ehmry joachifm np prusnak ];
+    maintainers = with maintainers; [ joachifm np prusnak ];
   };
 }

pkgs/applications/misc/qtbitcointrader/default.nix

@@ -31,6 +31,5 @@ mkDerivation {
     homepage = "https://centrabit.com/";
     license = licenses.gpl3;
     platforms = qt5.qtbase.meta.platforms;
-    maintainers = [ maintainers.ehmry ];
   };
 }

pkgs/servers/rippled/default.nix

@@ -160,7 +160,7 @@ in stdenv.mkDerivation rec {
   meta = with lib; {
     description = "Ripple P2P payment network reference server";
     homepage = "https://github.com/ripple/rippled";
-    maintainers = with maintainers; [ ehmry offline RaghavSood ];
+    maintainers = with maintainers; [ offline RaghavSood ];
     license = licenses.isc;
     platforms = [ "x86_64-linux" ];
   };

pkgs/tools/misc/cpuminer-multi/default.nix

@@ -27,7 +27,6 @@ stdenv.mkDerivation {
     description = "Multi-algo CPUMiner";
     homepage = "https://github.com/wolf9466/cpuminer-multi";
     license = licenses.gpl2;
-    maintainers = [ maintainers.ehmry ];
     # does not build on i686 https://github.com/lucasjones/cpuminer-multi/issues/27
     platforms = [ "x86_64-linux" ];
   };