Remove incorrect changelog entries

CHANGELOG.md

@@ -20,7 +20,6 @@
     Bug #5508: Engine binary links to Qt without using it
     Bug #5596: Effects in constant spells should not be merged
     Bug #5621: Drained stats cannot be restored
-    Bug #5755: Active grid object paging - disappearing textures
     Bug #5766: Active grid object paging - disappearing textures
     Bug #5788: Texture editing parses the selected indexes wrongly
     Bug #5801: A multi-effect spell with the intervention effects and recall always favors Almsivi intervention
@@ -45,7 +44,6 @@
     Bug #6174: Spellmaking and Enchanting sliders differences from vanilla
     Bug #6184: Command and Calm and Demoralize and Frenzy and Rally magic effects inconsistencies with vanilla
     Bug #6197: Infinite Casting Loop
-    Bug #6223: Some Constant Effect Bound Items inconsistencies
     Bug #6273: Respawning NPCs rotation is inconsistent
     Bug #6282: Laura craft doesn't follow the player character
     Bug #6283: Avis Dorsey follows you after her death
@@ -59,7 +57,6 @@
     Feature #4297: Implement APPLIED_ONCE flag for magic effects
     Feature #4414: Handle duration of EXTRA SPELL magic effect
     Feature #4595: Unique object identifier
-    Feature #4737: Handle instance move from one cell to another
     Feature #5198: Implement "Magic effect expired" event
     Feature #5454: Clear active spells from actor when he disappears from scene
     Feature #5489: MCP: Telekinesis fix for activators