Drop --ignore-missing-chunks option

We want robustness by default, and always.

1 files changed, 1 insertions, 4 deletions

diff --git a/obnamlib/repo_interface.py b/obnamlib/repo_interface.py
index 50832290..f16d6925 100644
--- a/obnamlib/repo_interface.py
+++ b/obnamlib/repo_interface.py
@@ -572,14 +572,11 @@ class RepositoryInterface(object):
         '''Set a key/value pair for a given generation.'''
         raise NotImplementedError()
 
-    def remove_generation(self, generation_id, ignore_missing_chunks=False):
+    def remove_generation(self, generation_id):
         '''Remove an existing generation.
 
         The removed generation may be the currently unfinished one.
 
-        When removing chunks, don't try to remove those that are missing
-        if ignore_missing_chunks is set to True.
-
         '''
         raise NotImplementedError()