Merge pull request #98 from seaneagan/last-observed-time-doc-fix

Remove leftover `lastObservedTime` references

Author: seaneagan

docs/spec/v2alpha1/helmreleases.md

@@ -843,7 +843,6 @@ status:
     type: Ready
   lastAppliedRevision: 4.0.6
   lastAttemptedRevision: 4.0.6
-  lastObservedTime: "2020-07-13T13:18:42Z"
   lastReleaseRevision: 1
   observedGeneration: 2
 ```
@@ -870,7 +869,6 @@ status:
   failures: 1
   lastAppliedRevision: 4.0.6
   lastAttemptedRevision: 4.0.6
-  lastObservedTime: "2020-07-13T18:17:28Z"
   lastReleaseRevision: 1
   observedGeneration: 3
 ```
@@ -897,7 +895,6 @@ status:
     type: Ready
   lastAppliedRevision: 4.0.6
   lastAttemptedRevision: 4.0.6
-  lastObservedTime: "2020-07-13T13:18:42Z"
   lastReleaseRevision: 1
   observedGeneration: 2
 ```