remove commit_status.index from fixtures

Author: James

models/fixtures/commit_status.yml

@@ -1,6 +1,5 @@
 -
   id: 1
-  index: 1
   repo_id: 1
   state: "pending"
   sha: "1234123412341234123412341234123412341234"
@@ -11,7 +10,6 @@
 
 -
   id: 2
-  index: 2
   repo_id: 1
   state: "warning"
   sha: "1234123412341234123412341234123412341234"
@@ -22,7 +20,6 @@
 
 -
   id: 3
-  index: 3
   repo_id: 1
   state: "success"
   sha: "1234123412341234123412341234123412341234"
@@ -33,7 +30,6 @@
 
 -
   id: 4
-  index: 4
   repo_id: 1
   state: "failure"
   sha: "1234123412341234123412341234123412341234"
@@ -44,7 +40,6 @@
 
 -
   id: 5
-  index: 5
   repo_id: 1
   state: "error"
   sha: "1234123412341234123412341234123412341234"