Remove timeout overrides

They were adjusted elsewhere to a higher value but are overridden here
to a lower value which causes job timeouts:

https: //github.com/openstack-charmers/zosci-config/commit/c1cea9996d45936179ef73c7c03d0db7e1896f91
Change-Id: I3f99254df07d43105875ff44b977e20bd6b60f3f

osci.yaml

@@ -1,7 +1,6 @@
 - job:
     name: microstack-bionic
     parent: openstack-tox-snap-with-sudo
-    timeout: 7200
     nodeset:
       nodes:
         - name: bionic-brown
@@ -12,7 +11,6 @@
 - job:
     name: microstack-bionic-lvm
     parent: openstack-tox-snap-with-sudo
-    timeout: 7200
     nodeset:
       nodes:
         - name: bionic-brown
@@ -23,7 +21,6 @@
 - job:
     name: microstack-focal
     parent: openstack-tox-snap-with-sudo
-    timeout: 7200
     nodeset:
       nodes:
         - name: focal-brown
@@ -34,7 +31,6 @@
 - job:
     name: microstack-focal-lvm
     parent: openstack-tox-snap-with-sudo
-    timeout: 7200
     nodeset:
       nodes:
         - name: focal-brown
@@ -53,4 +49,4 @@
       fail-fast: true
       jobs:
         - microstack-bionic-lvm
-        - microstack-focal-lvm
+        - microstack-focal-lvm