cd-hit: migrate to by-name, move override

pkgs/by-name/cd/cd-hit/package.nix

@@ -6,7 +6,7 @@
   zlib,
   perl,
   perlPackages,
-  openmp,
+  llvmPackages,
 }:
 
 stdenv.mkDerivation rec {
@@ -30,7 +30,7 @@ stdenv.mkDerivation rec {
     zlib
     makeWrapper
   ];
-  buildInputs = lib.optional stdenv.cc.isClang openmp;
+  buildInputs = lib.optional stdenv.cc.isClang llvmPackages.openmp;
 
   makeFlags = [
     "CC=${stdenv.cc.targetPrefix}c++" # remove once https://github.com/weizhongli/cdhit/pull/114 is merged

pkgs/top-level/all-packages.nix

@@ -12158,10 +12158,6 @@ with pkgs;
 
   ### SCIENCE/BIOLOGY
 
-  cd-hit = callPackage ../applications/science/biology/cd-hit {
-    inherit (llvmPackages) openmp;
-  };
-
   deepdiff = with python3Packages; toPythonApplication deepdiff;
 
   deep-translator = with python3Packages; toPythonApplication deep-translator;