compilation fix (remove default ctor already implemented by DEFINE_STD_WXCOLOUR_CONSTRUCTORS); make copy ctor inline and remove empty dtor

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@51017 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/generic/colour.cpp

@@ -35,16 +35,6 @@ void wxColour::Init()
     m_isInit = false;
 }
 
-wxColour::wxColour()
-{
-    Init();
-}
-
-wxColour::wxColour(const wxColour& col)
-{
-    *this = col;
-}
-
 wxColour& wxColour::operator=(const wxColour& col)
 {
     m_red = col.m_red;
@@ -55,18 +45,3 @@ wxColour& wxColour::operator=(const wxColour& col)
     return *this;
 }
 
-wxColour::~wxColour()
-{
-}
-
-void wxColour::InitRGBA(unsigned char r,
-                        unsigned char g,
-                        unsigned char b,
-                        unsigned char a)
-{
-    m_red = r;
-    m_green = g;
-    m_blue = b;
-    m_alpha = a;
-    m_isInit = true;
-}