Remove obsolete release note item

Tug · Tug · commit d6a551ae140f · 2019-07-26T18:45:53.000+02:00
diff --git a/RELEASE-NOTES.txt b/RELEASE-NOTES.txt
@@ -2,7 +2,6 @@
 ------
 * Adding a block from the post title now shows the add block here indicator.
 * Deselect post title any time a block is added
-* Fix merging of empty paragraph blocks when added from a post's title
 * Fix loss of center alignment in image captions on Android
 
 1.9.0
