[BUG] Edge Links are not removed from graph view after being deleting from canvas

[crembz]

Description:
Edge links created between two notes on the canvas are not removed from graph views after the edge is removed from the canvas.

PreCondition:
Two notes present in canvas with link.
Local graph for linked notes show the correct link between them.

PostCondition:
Two notes present in canvas, with link removed.
Local graph show link still present.

Expected Result:
Local and global graph should not show the removed link.

Test Steps:

1. Create new canvas
2. Add two un-linked notes to canvas
3. Connect notes using edge on canvas
4. Observe Local graph view
5. Confirm new link is present
6. Delete edge from canvass
7. Observe Local graph view
8. Link is still Present

Workaround:
Links cleared after restarting Obsidian