Delete unneeded chart output

Signed-off-by: Jon Leonard <jgleonard@gmail.com>
Signed-off-by: Matheus Hunsche <matheus.hunsche@ifood.com.br>

cmd/helm/testdata/output/upgrade-install-with-subchart-notes.txt

@@ -1,11 +0,0 @@
-Release "wacky-bunny" has been upgraded. Happy Helming!
-NAME: wacky-bunny
-LAST DEPLOYED: Fri Sep  2 22:04:05 1977
-NAMESPACE: default
-STATUS: deployed
-REVISION: 2
-TEST SUITE: None
-NOTES:
-SUBCHART NOTES
-
-PARENT NOTES