Remove old kolourpaint URL and fix version string.

Signed-off-by: Chris <xchrisx@uber.space>
(cherry picked from commit aa6cfdab39)

kolourpaint/VERSION

@@ -1 +1 @@
-1.4.8_relight-post
+1.4.8

kolourpaint/kolourpaint.cpp

@@ -65,8 +65,7 @@ int main (int argc, char *argv [])
         I18N_NOOP ("Paint Program for TDE"),
         TDEAboutData::License_Custom,
         0/*copyright statement - see licence instead*/,
-        0/*no free text*/,
-        "http://www.kolourpaint.org/"
+        0/*no free text*/
     );