misc: fix commonly doubled up words

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20220707163720.1421716-5-berrange@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
diff --git a/include/hw/qdev-core.h b/include/hw/qdev-core.h
index 98774e2..785dd5a 100644
--- a/include/hw/qdev-core.h
+++ b/include/hw/qdev-core.h
@@ -386,7 +386,7 @@
  *
  *  - unrealize any child buses by calling qbus_unrealize()
  *    (this will recursively unrealize any devices on those buses)
- *  - call the the unrealize method of @dev
+ *  - call the unrealize method of @dev
  *
  * The device can then be freed by causing its reference count to go
  * to zero.