remove the 18F sandboxes (#729)

* remove the 18F sandboxes

* remove 18F team from fixtures

.github/workflows/deploy-sandbox.yaml

@@ -9,12 +9,7 @@ on:
 jobs:
   variables: 
     if: | 
-      startsWith(github.head_ref, 'ik/')
-        || startsWith(github.head_ref, 'jon')
-        || startsWith(github.head_ref, 'sspj/')
-        || startsWith(github.head_ref, 'mr/')
-        || startsWith(github.head_ref, 'nmb/')
-        || startsWith(github.head_ref, 'ab/')
+      startsWith(github.head_ref, 'ab/')
         || startsWith(github.head_ref, 'bl/')
         || startsWith(github.head_ref, 'rjm/')
         || startsWith(github.head_ref, 'rb/')

.github/workflows/migrate.yaml

@@ -20,11 +20,6 @@ on:
           - ab
           - bl
           - rjm
-          - jon
-          - ik
-          - sspj
-          - nmb
-          - mr
 
 jobs:
   migrate:

.github/workflows/reset-db.yaml

@@ -21,11 +21,6 @@ on:
           - ab
           - bl
           - rjm
-          - jon
-          - ik
-          - sspj
-          - nmb
-          - mr
 
 jobs:
   reset-db: