Remove workaround for duplicate fold events.

Remove workaround for duplicate fold events. Support for deduplicated
fold events has been added so this workaround is no longer necessary.

Bug: 336461584
Bug: 257990185
Test: atest CtsInputMethodTestCases:InputMethodServiceTest
Change-Id: I5dcda97495356bb6475d1b2a0829fdd3624a5a26
1 file changed