Auto account removal crash during undo

[hsoft]

@@@
Application Identifier: com.hardcoded_software.moneyguru
Application Version: 1.6.4

Traceback (most recent call last):
File "/Applications/moneyGuru.app/Contents/Resources/mg_cocoa.plugin/Contents/Resources/mg_cocoa.py", line 220, in undo
File "moneyguru/document/init.pyc", line 1248, in undo
File "moneyguru/document/undo.pyc", line 178, in undo
File "moneyguru/document/undo.pyc", line 130, in _do_deletes
File "moneyguru/document/undo.pyc", line 143, in _remove_auto_created_account
File "moneyguru/model/account.pyc", line 255, in remove
ValueError: list.remove(x): x not in list
@@@

[hsoft]

This can be reproduced by importing a file that can create income/expense accounts (like a QIF) and undo that import.

[hsoft]

(from [146]) [#84 state:fixed] Fixed undo crash when trying to undo an import that added income/expense accounts.

[hsoft]

[milestone:id#52151 bulk edit command]