Issue #27156: Remove more unused idlelib code.

Author: terryjreedy

Lib/idlelib/macosx.py

@@ -5,16 +5,6 @@
 import tkinter
 import warnings
 
-def runningAsOSXApp():
-    warnings.warn("runningAsOSXApp() is deprecated, use isAquaTk()",
-                        DeprecationWarning, stacklevel=2)
-    return isAquaTk()
-
-def isCarbonAquaTk(root):
-    warnings.warn("isCarbonAquaTk(root) is deprecated, use isCarbonTk()",
-                        DeprecationWarning, stacklevel=2)
-    return isCarbonTk()
-
 _tk_type = None
 
 def _initializeTkVariantTests(root):

Lib/idlelib/stackviewer.py

@@ -120,9 +120,6 @@ def setfunction(value, key=key, object=self.object):
             sublist.append(item)
         return sublist
 
-    def keys(self):  # unused, left for possible 3rd party use
-        return list(self.object.keys())
-
 def _stack_viewer(parent):
     root = tk.Tk()
     root.title("Test StackViewer")