ARROW-14975: [Docs] Fix typo in emit_dictionary_deltas documentation
ARROW-14975: [Docs] Fix typo in emit_dictionary_deltas documentation

Typo in \arrow\cpp\src\arrow\ipc\options.h, in my understanding, it should be emitted, not omitted.

Closes #11848 from zixi-bwang/FixTypo

Authored-by: Zixi <773ddc542808f4459d9cfcc70a4f8de637c56784@gmail.com>
Signed-off-by: Antoine Pitrou <9359a4d812173b65a3a0094cd86363e79731a3c2@python.org>

icexelloss/arrow,laurentgo/arrow,apache/arrow,icexelloss/arrow,apache/arrow,kou/arrow,wesm/arrow,icexelloss/arrow,laurentgo/arrow,wesm/arrow,kou/arrow,icexelloss/arrow,icexelloss/arrow,apache/arrow,laurentgo/arrow,apache/arrow,icexelloss/arrow,wesm/arrow,kou/arrow,laurentgo/arrow,kou/arrow,wesm/arrow,kou/arrow,apache/arrow,wesm/arrow,apache/arrow,icexelloss/arrow,wesm/arrow,wesm/arrow,apache/arrow,laurentgo/arrow,wesm/arrow,kou/arrow,kou/arrow,laurentgo/arrow,apache/arrow,laurentgo/arrow,wesm/arrow,laurentgo/arrow,icexelloss/arrow,laurentgo/arrow,kou/arrow,wesm/arrow,kou/arrow,icexelloss/arrow,kou/arrow,kou/arrow,apache/arrow,laurentgo/arrow,laurentgo/arrow,wesm/arrow,kou/arrow,icexelloss/arrow,wesm/arrow,wesm/arrow,icexelloss/arrow,icexelloss/arrow,laurentgo/arrow,apache/arrow,apache/arrow,apache/arrow,apache/arrow,icexelloss/arrow,icexelloss/arrow,apache/arrow,laurentgo/arrow,wesm/arrow,laurentgo/arrow,kou/arrow,laurentgo/arrow,kou/arrow