diffoscope: move to by-name

pkgs/by-name/di/diffoscope/package.nix

@@ -41,7 +41,7 @@
   html2text,
   imagemagick,
   installShellFiles,
-  jdk,
+  jdk8,
   libarchive,
   libcaca,
   libxmlb,
@@ -223,7 +223,7 @@ python.pkgs.buildPythonApplication rec {
         gnupg
         hdf5
         imagemagick
-        jdk
+        jdk8
         libcaca
         llvm
         mono

pkgs/top-level/all-packages.nix

@@ -3026,10 +3026,6 @@ with pkgs;
 
   dnsviz = python3Packages.callPackage ../tools/networking/dnsviz { };
 
-  diffoscope = callPackage ../tools/misc/diffoscope {
-    jdk = jdk8;
-  };
-
   diffoscopeMinimal = diffoscope.override {
     enableBloat = false;
   };