Jean Chalard 548716d6d9 Remove useless code.
The only use of mDeleteCount is to implement delete
acceleration. It's reset at each non-delete code point, and
is guarded by a timer.
Plus, ultimately we want to remove this completely :
acceleration should be implemented by actually deleting
stuff faster, not by deleting several code points at a time.

Change-Id: Ia3144860b3aa2499034f2a2a7c81f32087af9598
2013-10-16 18:43:15 +09:00
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