Remove apiGroup from leader_election_role

Fixing the same issue again for #37. Perhaps kubebuilder is
re-introducing these variables every time it generates YAML?

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>

config/rbac/leader_election_role.yaml

@@ -7,8 +7,6 @@ rules:
       - ""
     resources:
       - configmaps
-    resourceNames:
-      - 8bdecb1a.alexellis.io
     verbs:
       - get
       - create

manifest.yaml

@@ -85,8 +85,6 @@ metadata:
 rules:
 - apiGroups:
   - ""
-  resourceNames:
-  - 8bdecb1a.alexellis.io
   resources:
   - configmaps
   verbs:
@@ -237,7 +235,7 @@ spec:
         resources:
           limits:
             cpu: 100m
-            memory: 64Mi
+            memory: 128Mi
           requests:
             cpu: 100m
             memory: 45Mi