connman: Switch to postPatch from patchPhase

pkgs/tools/networking/connman/connman.nix

···
   ;
 
   # fix invalid path to 'file'
-  patchPhase = ''
-    runHook prePatch
+  postPatch = ''
     sed -i "s/\/usr\/bin\/file/file/g" ./configure
-    runHook postPatch
   '';
 
   configureFlags = [