Change Task titles to imperative: Daemons, GPUs. (#4032)

_data/tasks.yml

@@ -144,11 +144,11 @@ toc:
   - docs/tasks/administer-federation/replicaset.md
   - docs/tasks/administer-federation/secret.md
 
-- title: Managing Cluster Daemons
+- title: Manage Cluster Daemons
   section:
   - docs/tasks/manage-daemon/update-daemon-set.md
 
-- title: Managing GPUs
+- title: Manage GPUs
   section:
   - docs/tasks/manage-gpus/scheduling-gpus.md
 

docs/tasks/manage-daemon/update-daemon-set.md

@@ -1,7 +1,7 @@
 ---
 assignees:
 - janetkuo
-title: Performing a Rolling Update on a DaemonSet
+title: Perform a Rolling Update on a DaemonSet
 ---
 
 {% capture overview %}

docs/tasks/manage-gpus/scheduling-gpus.md

@@ -1,7 +1,7 @@
 ---
 assignees:
 - vishh
-title: Scheduling GPUs
+title: Schedule GPUs
 redirect_from:
 - "/docs/user-guide/gpus/"
 - "/docs/user-guide/gpus.html"