No real changes, just removed unused variables from samples.

Don't define constants which are never used to avoid clang
-Wunused-const-variable warnings.

samples/controls/controls.cpp

@@ -471,10 +471,6 @@ const int  ID_RADIOBUTTON_2     = 167;
 
 const int  ID_SET_FONT          = 170;
 
-#if wxUSE_GAUGE
-const int  ID_GAUGE             = 180;
-#endif // wxUSE_GAUGE
-
 #if wxUSE_SLIDER
 const int  ID_SLIDER            = 181;
 #endif // wxUSE_SLIDER
@@ -501,8 +497,6 @@ const int  ID_SIZER_CHECK4      = 204;
 const int  ID_SIZER_CHECK14     = 205;
 const int  ID_SIZER_CHECKBIG    = 206;
 
-const int  ID_HYPERLINK         = 300;
-
 wxBEGIN_EVENT_TABLE(MyPanel, wxPanel)
 EVT_IDLE      (                         MyPanel::OnIdle)
 EVT_BOOKCTRL_PAGE_CHANGING(ID_BOOK,     MyPanel::OnPageChanging)

samples/statbar/statbar.cpp

@@ -227,7 +227,6 @@ enum
 };
 
 static const int BITMAP_SIZE_X = 32;
-static const int BITMAP_SIZE_Y = 15;
 
 // ----------------------------------------------------------------------------
 // event tables and other macros for wxWidgets

samples/widgets/choice.cpp

@@ -215,13 +215,6 @@ void ChoiceWidgetsPage::CreateContent()
         wxT("&Set choice parameters"));
     wxSizer *sizerLeft = new wxStaticBoxSizer(box, wxVERTICAL);
 
-    static const wxString modes[] =
-    {
-        wxT("single"),
-        wxT("extended"),
-        wxT("multiple"),
-    };
-
     m_chkSort = CreateCheckBoxAndAddToSizer(sizerLeft, wxT("&Sort items"));
 
     wxButton *btn = new wxButton(this, ChoicePage_Reset, wxT("&Reset"));