Removing dependabot

Author: john-b-yang

.github/dependabot.yml

@@ -0,0 +1,10 @@
+# Contributing Guide
+
+Thanks for your interest in contributing to CodeClash!
+
+We're actively working on expanding the coverage of CodeClash in terms of models, arenas, and evaluation techniques.
+We're also excited about your ideas!
+
+We have a [living document](https://docs.google.com/document/d/17-Jcexy1KDAbxXILH-GlHrFwGTpLG5yml-0OMFfgnZU/edit?usp=sharing) where we track ideas and contributions we're excited about.
+
+Have suggestions? Please open an issue, and let's discuss!