Revert "Show a rebase result dialog if cherry-picking fails."

This reverts commit 677e4b02ed6964a153fb380888019a1996fe562b.

Bug: 447115
Change-Id: I675b2cff383f650cd82ea2d72e8c70a81d9d2529
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
Revert "Add support for cherry-picking multiple commits at once"

This reverts commit e7a0ec115347e2d147b8794d78cc5a8883f1cc3e.

Bug: 447115
Change-Id: Ife9a30e68660d879e8d394d2c3ecb87d568fe34d
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>