Revert "python311Packages.tkinter: mark broken" (#451036)

pkgs/development/python-modules/matplotlib/default.nix

@@ -4,7 +4,6 @@
   fetchPypi,
   buildPythonPackage,
   isPyPy,
-  pythonAtLeast,
   pythonOlder,
 
   # build-system
@@ -53,8 +52,7 @@
 
   # Tk
   # Darwin has its own "MacOSX" backend, PyPy has tkagg backend and does not support tkinter
-  # tkinter fails to build on Python 3.11
-  enableTk ? (!stdenv.hostPlatform.isDarwin && !isPyPy && pythonAtLeast "3.12"),
+  enableTk ? (!stdenv.hostPlatform.isDarwin && !isPyPy),
   tkinter,
 
   # Qt

pkgs/development/python-modules/tkinter/default.nix

@@ -109,7 +109,6 @@ buildPythonPackage {
   pythonImportsCheck = [ "tkinter" ];
 
   meta = {
-    broken = pythonOlder "3.12"; # tommath.h: No such file or directory
     # Based on first sentence from https://docs.python.org/3/library/tkinter.html
     description = "Standard Python interface to the Tcl/Tk GUI toolkit";
     longDescription = ''