keep github actions working for e3sm repo

Author: mahf708

.github/workflows/e3sm-gh-ci-cime-tests.yml

@@ -25,7 +25,7 @@ on:
 jobs:
 
   ci:
-    if: false
+    if: ${{ github.event.repository.name == 'e3sm' }}
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false

.github/workflows/eamxx_default_files.yml

@@ -13,7 +13,7 @@ on:
 
 jobs:
   scream-defaults:
-    if: false
+    if: ${{ github.event.repository.name == 'e3sm' }}
     runs-on: ubuntu-latest
     outputs:
       event_name: ${{ github.event_name }}