Stop doing dev migrations that our schema isn't changing frequently

I think branches now can help change our strategy here.

Author: CarsonF

.github/actions/edgedb-setup/action.yml

@@ -9,9 +9,6 @@ runs:
     - run: edgedb configure set session_idle_transaction_timeout 5min
       shell: bash
 
-    - run: edgedb migrate --dev-mode
-      shell: bash
-
     - name: Generate EdgeDB TS files
       shell: bash
       run: yarn edgedb:gen