Remove unused menu field from macos NavigationToolbar2.

anntzer · anntzer · commit 7528257eb22a · 2023-03-01T18:24:21.000+01:00
The attribute is never referenced in the entire file; it appears to be a leftover of old style navigation toolbars, which were removed in 28effb4 and earlier.
diff --git a/src/_macosx.m b/src/_macosx.m
@@ -865,7 +865,6 @@ - (void)save_figure:(id)sender;
 
 typedef struct {
     PyObject_HEAD
-    NSPopUpButton* menu;
     NSTextView* messagebox;
     NavigationToolbar2Handler* handler;
     int height;
