chore: delete dependabot.yml (#202)

.github/dependabot.yml

@@ -1,29 +0,0 @@
-version: 2
-updates:
-  # root
-  - package-ecosystem: "npm"
-    directory: "/"
-    schedule:
-      interval: "weekly"
-    target-branch: "develop"
-
-  # frontend
-  - package-ecosystem: "npm"
-    directory: "/frontend"
-    schedule:
-      interval: "weekly"
-    target-branch: "develop"
-
-  # backend
-  - package-ecosystem: "npm"
-    directory: "/backend"
-    schedule:
-      interval: "weekly"
-    target-branch: "develop"
-
-  # docs
-  - package-ecosystem: "npm"
-    directory: "/docs"
-    schedule:
-      interval: "weekly"
-    target-branch: "develop"