Removed "utils" in default package file.

pkgs/default.nix

@@ -14,12 +14,6 @@ let
   compiler_path = "/opt/intel/compilers_and_libraries_2017.1.132/linux/";
   callPackage = pkgs.lib.callPackageWith pkgs;
   pythonPackages = pkgs.python27Packages;
-  utils = with pkgs.lib; rec{
-    makeSearchPath = subDir: packages:
-      concatStringsSep ":" (map (path: path + "/" + subDir) packages);
-    makeSearchPathOutput = output: subDir: pkgs: makeSearchPath subDir (map (pkg : "${pkg}/output") pkgs);
-   makeLibraryPath = makeSearchPathOutput "lib" "lib";
-  };
 in rec {
   #NRM components
   libnrm = callPackage ./libnrm {};
@@ -45,8 +39,8 @@ in rec {
 
   #Intel compilers
   intel = with pkgs; rec {
-    icc = callPackage intel/icc { inherit compiler_path utils; };
-    mkl = callPackage intel/mkl { inherit compiler_path utils; };
+    icc = callPackage intel/icc { inherit compiler_path; };
+    mkl = callPackage intel/mkl { inherit compiler_path; };
     WrappedICC = (import ../patches/cc-wrapper  {
         inherit stdenv binutils coreutils ;
         libc = glibc;