Document API change

Author: m-kuhn

doc/api_break.dox

@@ -120,6 +120,8 @@ Renamed Classes        {#qgis_api_break_3_0_renamed_classes}
 <tr><td>QgsMultiLineStringV2<td>QgsMultiLineString
 <tr><td>QgsMultiSurfaceV2<td>QgsMultiSurface
 <tr><td>QgsNumericScaleBarStyle<td>QgsNumericScaleBarRenderer
+<tr><td>QgsPointV2<td>QgsPoint
+<tr><td>QgsPoint<td>QgsPointXY
 <tr><td>QgsPointSequenceV2<td>QgsPointSequence
 <tr><td>QgsProperty<td>QgsProjectProperty
 <tr><td>QgsPropertyKey<td>QgsProjectPropertyKey