Only run CORD Guide related jobs on relevant repos

Change-Id: I38842188727af9f43476e7361e10020087e7bfca
diff --git a/jjb/docs.yaml b/jjb/docs.yaml
index 2a7c91a..91676b0 100644
--- a/jjb/docs.yaml
+++ b/jjb/docs.yaml
@@ -6,7 +6,7 @@
 
     jobs:
       - 'verify-documentation':
-          other-docs-repos-regexp: '.*'
+          other-docs-repos-regexp: '{cord-guide-projects-regexp}'
           branch-regexp: '{modern-branches-regexp}'
 
 - project:
@@ -14,7 +14,7 @@
 
     jobs:
       - 'publish-documentation':
-          other-docs-repos-regexp: '.*'
+          other-docs-repos-regexp: '{cord-guide-projects-regexp}'
           branch-regexp: '{modern-branches-regexp}'
 
 - project: