chore: rm prosemirror-dropcursor package

Author: nperez0111

.github/dependabot.yml

@@ -28,7 +28,6 @@ updates:
       - dependency-name: "@tiptap/extension-underline"
       # prosemirror packages
       - dependency-name: "prosemirror-changeset"
-      - dependency-name: "prosemirror-dropcursor"
       - dependency-name: "prosemirror-highlight"
       - dependency-name: "prosemirror-model"
       - dependency-name: "prosemirror-state"

packages/core/package.json

@@ -108,7 +108,6 @@
     "emoji-mart": "^5.6.0",
     "fast-deep-equal": "^3.1.3",
     "hast-util-from-dom": "^5.0.1",
-    "prosemirror-dropcursor": "^1.8.2",
     "prosemirror-highlight": "^0.13.0",
     "prosemirror-model": "^1.25.4",
     "prosemirror-state": "^1.4.4",