add whatsnew (#3740)

stephenworsley · web-flow · commit be9e2ff703e4 · 2020-06-15T17:32:03.000+01:00
diff --git a/docs/iris/src/whatsnew/contributions_3.0.0/bugfix_2020-Jun-15_remove_aux_factories_with_remove_coord.txt b/docs/iris/src/whatsnew/contributions_3.0.0/bugfix_2020-Jun-15_remove_aux_factories_with_remove_coord.txt
@@ -0,0 +1,2 @@
+* The method :meth:`~iris.Cube.cube.remove_coord` would fail to remove derived
+  coordinates, will now remove derived coordinates by removing aux_factories.

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,2 @@`
	`1`	+* The method :meth:`~iris.Cube.cube.remove_coord` would fail to remove derived
	`2`	`+ coordinates, will now remove derived coordinates by removing aux_factories.`