treewide: remove old patches for macOS

These shouldn’t be needed now that we are on macOS 10.12.

pkgs/development/python-modules/matplotlib/2.nix

@@ -60,7 +60,7 @@ buildPythonPackage rec {
       url = "https://github.com/matplotlib/matplotlib/commit/2980184d092382a40ab21f95b79582ffae6e19d6.patch";
       sha256 = "1c0wj28zy8s5h6qiavx9zzbhlmhjwpzbc3fyyw9039mbnqk0spg2";
     })
-  ] ++ stdenv.lib.optionals stdenv.isDarwin [ ./darwin-stdenv-2.2.3.patch ];
+  ];
 
   # Matplotlib tries to find Tcl/Tk by opening a Tk window and asking the
   # corresponding interpreter object for its library paths. This fails if

pkgs/development/python-modules/matplotlib/darwin-stdenv-2.2.3.patch

@@ -1,10 +0,0 @@
---- a/src/_macosx.m	2015-10-30 00:46:20.000000000 +0200
-+++ b/src/_macosx.m	2015-11-01 14:52:25.000000000 +0200
-@@ -6264,6 +6264,7 @@
- 
- static bool verify_framework(void)
- {
-+    return true;  /* nixpkgs darwin stdenv */
- #ifdef COMPILING_FOR_10_6
-     NSRunningApplication* app = [NSRunningApplication currentApplication];
-     NSApplicationActivationPolicy activationPolicy = [app activationPolicy];

pkgs/development/python-modules/matplotlib/darwin-stdenv.patch

@@ -1,12 +0,0 @@
-diff -ruN matplotlib-3.0.0/src/_macosx.m matplotlib-3.0.0.patched/src/_macosx.m
---- matplotlib-3.0.0/src/_macosx.m	2018-09-16 00:35:21.000000000 +0200
-+++ matplotlib-3.0.0.patched/src/_macosx.m	2018-11-03 13:14:33.000000000 +0100
-@@ -2577,6 +2577,7 @@
- 
- static bool verify_framework(void)
- {
-+    return true;  /* nixpkgs darwin stdenv */
-     ProcessSerialNumber psn;
-     /* These methods are deprecated, but they don't require the app to
-        have started  */
-

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

@@ -52,8 +52,7 @@ buildPythonPackage rec {
     ++ stdenv.lib.optionals enableQt [ pyqt4 ];
 
   patches =
-    [ ./basedirlist.patch ] ++
-    stdenv.lib.optionals stdenv.isDarwin [ ./darwin-stdenv.patch ];
+    [ ./basedirlist.patch ];
 
   # Matplotlib tries to find Tcl/Tk by opening a Tk window and asking the
   # corresponding interpreter object for its library paths. This fails if