Eliminate many "doing what you told me to" messages

These messages were perhaps originally intended as a debuggin aid but now add clutter to the output panes. Remaining messges are mostly the result of methods to display attributes of an object (which one could call from the Python console) or actually provide some information which would not be obvious from the circumstances

src/Mod/Draft/draftutils/gui_utils.py

@@ -42,7 +42,7 @@ import os
 import FreeCAD as App
 from draftutils import params
 from draftutils import utils
-from draftutils.messages import _err, _msg, _wrn
+from draftutils.messages import _err, _wrn
 from draftutils.translate import translate
 
 if App.GuiUp:
@@ -328,7 +328,6 @@ def remove_hidden(objectslist):
         if obj.ViewObject:
             if not obj.ViewObject.isVisible():
                 newlist.remove(obj)
-                _msg(translate("draft", "Visibility off; removed from list: ") + obj.Label)
     return newlist
 
 
@@ -821,7 +820,6 @@ def get_bbox(obj, debug=False):
         If there is a problem it will return `None`.
     """
     _name = "get_bbox"
-    utils.print_header(_name, "Bounding box", debug=debug)
 
     found, doc = utils.find_doc(App.activeDocument())
     if not found:
@@ -833,13 +831,9 @@ def get_bbox(obj, debug=False):
 
     found, obj = utils.find_object(obj, doc)
     if not found:
-        _msg("obj: {}".format(obj_str))
-        _err(translate("draft", "Wrong input: object not in document."))
+        _err(translate("draft", "Wrong input: object {} not in document.").format(obj_str))
         return None
 
-    if debug:
-        _msg("obj: {}".format(obj.Label))
-
     if (not hasattr(obj, "ViewObject")
             or not obj.ViewObject
             or not hasattr(obj.ViewObject, "RootNode")):