home-assistant: don't strip

Neither the home-assistant nor the frontend contain strippable binaries,
but the stripping process will still iterate over 6600+ files and notice
that they're not in a strippable format.

On my 6C/12T desktop CPU this takes slightly over two minutes.

pkgs/servers/home-assistant/default.nix

@@ -71,6 +71,9 @@ in with py.pkgs; buildPythonApplication rec {
   # check REQUIRED_PYTHON_VER in homeassistant/const.py
   disabled = pythonOlder "3.7.1";
 
+  # don't try and fail to strip 6600+ python files, it takes minutes!
+  dontStrip = true;
+
   inherit availableComponents;
 
   # PyPI tarball is missing tests/ directory

pkgs/servers/home-assistant/frontend.nix

@@ -11,6 +11,9 @@ buildPythonPackage rec {
     sha256 = "sha256-3JMWugAiVDq/NBgX8ft2Bchim2g493jy7wZvvXrX+Ws=";
   };
 
+  # there is nothing to strip in this package
+  dontStrip = true;
+
   # no Python tests implemented
   doCheck = false;