Revert "Build runtime with rewatch in CI"

This reverts commit 64f84ea.

Author: jfrolich

.github/workflows/ci.yml

@@ -351,7 +351,7 @@ jobs:
         run: opam exec -- make test-syntax
 
       - name: Build runtime/stdlib
-        run: ./scripts/buildRuntimeRewatch.sh
+        run: ./scripts/buildRuntime.sh
         shell: bash
 
       - name: Check for changes in lib folder