Remove not used backend files

It seems like all backend files don't using anywhere.

Change-Id: I0ee948b1cba5763525f015dbd28a47c38c73aff6
diff --git a/haproxy/files/backend/_admin.cfg b/haproxy/files/backend/_admin.cfg
deleted file mode 100644
index 5b64ad8..0000000
--- a/haproxy/files/backend/_admin.cfg
+++ /dev/null
@@ -1,8 +0,0 @@
-  mode  http
-  acl  AuthOkay_ReadOnly http_auth(STATSUSERS)
-  acl  AuthOkay_Admin http_auth_group(STATSUSERS) {{ listen.user }}
-  stats  enable
-  stats  refresh 60s
-  stats  uri /
-  stats  http-request auth realm admin_page unless AuthOkay_ReadOnly
-  stats  admin if AuthOkay_Admin
diff --git a/haproxy/files/backend/_contrail-analytics.cfg b/haproxy/files/backend/_contrail-analytics.cfg
deleted file mode 100644
index cd28d53..0000000
--- a/haproxy/files/backend/_contrail-analytics.cfg
+++ /dev/null
@@ -1,6 +0,0 @@
-  balance roundrobin
-{%- for option in listen.get('options', []) %}
-  option {{ option }}
-{%- endfor %}
-  tcp-check connect port 6379
-  default-server error-limit 1 on-error mark-down
\ No newline at end of file
diff --git a/haproxy/files/backend/_contrail-api.cfg b/haproxy/files/backend/_contrail-api.cfg
deleted file mode 100644
index 8ea553b..0000000
--- a/haproxy/files/backend/_contrail-api.cfg
+++ /dev/null
@@ -1,4 +0,0 @@
-  balance roundrobin
-{%- for option in listen.get('options', []) %}
-  option {{ option }}
-{%- endfor %}
diff --git a/haproxy/files/backend/_contrail-config.cfg b/haproxy/files/backend/_contrail-config.cfg
deleted file mode 100644
index cdc16d1..0000000
--- a/haproxy/files/backend/_contrail-config.cfg
+++ /dev/null
@@ -1,4 +0,0 @@
-  mode http
-  stats enable
-  stats uri /
-  stats auth {{ listen.user }}:{{ listen.password }}
\ No newline at end of file
diff --git a/haproxy/files/backend/_general-service.cfg b/haproxy/files/backend/_general-service.cfg
deleted file mode 100644
index 946dd4d..0000000
--- a/haproxy/files/backend/_general-service.cfg
+++ /dev/null
@@ -1,3 +0,0 @@
-  mode http
-  balance roundrobin
-  option httplog
\ No newline at end of file
diff --git a/haproxy/files/backend/_heat.cfg b/haproxy/files/backend/_heat.cfg
deleted file mode 100644
index 0d7c589..0000000
--- a/haproxy/files/backend/_heat.cfg
+++ /dev/null
@@ -1,3 +0,0 @@
-  balance source
-  option tcpka
-  option httpchk
\ No newline at end of file
diff --git a/haproxy/files/backend/_horizon.cfg b/haproxy/files/backend/_horizon.cfg
deleted file mode 100644
index 70124a1..0000000
--- a/haproxy/files/backend/_horizon.cfg
+++ /dev/null
@@ -1,9 +0,0 @@
-  mode http
-  balance  source
-  capture  cookie vgnvisitor= len 32
-  cookie  SERVERID insert indirect nocache
-  option forwardfor
-  option httpchk
-  option httpclose
-  option httplog
-  rspidel ^Set-cookie:\ IP=
\ No newline at end of file
diff --git a/haproxy/files/backend/_http.cfg b/haproxy/files/backend/_http.cfg
deleted file mode 100644
index b7a4a06..0000000
--- a/haproxy/files/backend/_http.cfg
+++ /dev/null
@@ -1,3 +0,0 @@
-  mode http
-  balance  roundrobin
-  option  httplog
\ No newline at end of file
diff --git a/haproxy/files/backend/_mysql.cfg b/haproxy/files/backend/_mysql.cfg
deleted file mode 100644
index c041bf5..0000000
--- a/haproxy/files/backend/_mysql.cfg
+++ /dev/null
@@ -1,9 +0,0 @@
-  mode tcp
-  balance leastconn
-  option httpchk
-  option tcplog
-  option clitcpka
-  option srvtcpka
-  timeout client  28801s
-  timeout server  28801s
-  option mysql-check user haproxy
\ No newline at end of file
diff --git a/haproxy/files/backend/_openstack-service.cfg b/haproxy/files/backend/_openstack-service.cfg
deleted file mode 100644
index 2b90750..0000000
--- a/haproxy/files/backend/_openstack-service.cfg
+++ /dev/null
@@ -1,3 +0,0 @@
-  option  httpchk
-  option  httplog
-  option  httpclose
\ No newline at end of file
diff --git a/haproxy/files/backend/_rabbitmq.cfg b/haproxy/files/backend/_rabbitmq.cfg
deleted file mode 100644
index d6a0f80..0000000
--- a/haproxy/files/backend/_rabbitmq.cfg
+++ /dev/null
@@ -1,5 +0,0 @@
-  mode tcp
-  balance roundrobin
-  option tcpka
-  timeout client 48h
-  timeout server 48h
\ No newline at end of file
diff --git a/haproxy/files/backend/_stats.cfg b/haproxy/files/backend/_stats.cfg
deleted file mode 100644
index cdc16d1..0000000
--- a/haproxy/files/backend/_stats.cfg
+++ /dev/null
@@ -1,4 +0,0 @@
-  mode http
-  stats enable
-  stats uri /
-  stats auth {{ listen.user }}:{{ listen.password }}
\ No newline at end of file