Partial revert "Add missing stable/stein branches"

This was too early for TripleO team. We are not ready yet.
This reverts commit f2c5d159e0.

Change-Id: Ief4bded8b7411ab82862dda5272810d66724dbb4

deliverables/stein/os-apply-config.yaml

@@ -19,6 +19,3 @@ releases:
       - hash: b7a2d9e46cac43311a3410902cb74292b0395a05
         repo: openstack/os-apply-config
     version: 10.2.0
-branches:
-  - location: 10.2.0
-    name: stable/stein

deliverables/stein/os-collect-config.yaml

@@ -19,6 +19,3 @@ releases:
       - hash: 6bdbc35fbcf0df7a1d03fa2ef31da4028f03a2da
         repo: openstack/os-collect-config
     version: 10.2.0
-branches:
-  - location: 10.2.0
-    name: stable/stein

deliverables/stein/os-net-config.yaml

@@ -23,6 +23,3 @@ releases:
       - hash: e912b02c3bec61ec3af610820601cc24b5dc1cba
         repo: openstack/os-net-config
     version: 10.3.0
-branches:
-  - location: 10.3.0
-    name: stable/stein

deliverables/stein/os-refresh-config.yaml

@@ -19,6 +19,3 @@ releases:
       - hash: d0277ff94839b636b013de8263debf285217b10a
         repo: openstack/os-refresh-config
     version: 10.2.0
-branches:
-  - location: 10.2.0
-    name: stable/stein

deliverables/stein/paunch.yaml

@@ -23,6 +23,3 @@ releases:
       - hash: a6f17e52dedfa7c229b7b8d8e1148aaa77a30916
         repo: openstack/paunch
     version: 4.3.0
-branches:
-  - location: 4.3.0
-    name: stable/stein

deliverables/stein/tripleo-ipsec.yaml

@@ -11,6 +11,3 @@ releases:
       - hash: f60ad6c2010e9a65a993fbda9a35bf2a656c73d7
         repo: openstack/tripleo-ipsec
     version: 9.1.0
-branches:
-  - location: 9.1.0
-    name: stable/stein

deliverables/stein/tripleo-ui.yaml

@@ -24,6 +24,3 @@ releases:
       - hash: abd4334d5e8bf5b04248c5192fa0fc6f115849f3
         repo: openstack/tripleo-ui
     version: 10.3.0
-branches:
-  - location: 10.3.0
-    name: stable/stein

deliverables/stein/tripleo-validations.yaml

@@ -23,6 +23,3 @@ releases:
       - hash: e6490b3e364765ee09b1634d948de9aaa9875402
         repo: openstack/tripleo-validations
     version: 10.3.0
-branches:
-  - location: 10.3.0
-    name: stable/stein