Merge master into dev-1.21 to keep in sync - SIG-Release 1.21 Docs team 3/17/21

Fixed merge conflict with /docs/reference/command-line-tools-reference/kube-apiserver.md and preferred master

content/en/docs/reference/kubectl/overview.md

@@ -19,7 +19,7 @@ files by setting the KUBECONFIG environment variable or by setting the
 This overview covers `kubectl` syntax, describes the command operations, and provides common examples.
 For details about each command, including all the supported flags and subcommands, see the
 [kubectl](/docs/reference/generated/kubectl/kubectl-commands/) reference documentation.
-For installation instructions see [installing kubectl](/docs/tasks/tools/install-kubectl/).
+For installation instructions see [installing kubectl](/docs/tasks/tools/).
 
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content/en/docs/reference/scheduling/config.md

@@ -181,8 +181,6 @@ that are not enabled by default:
 - `RequestedToCapacityRatio`: Favor nodes according to a configured function of
   the allocated resources.
   Extension points: `Score`.
-- `NodeResourceLimits`: Favors nodes that satisfy the Pod resource limits.
-  Extension points: `PreScore`, `Score`.
 - `CinderVolume`: Checks that OpenStack Cinder volume limits can be satisfied
   for the node.
   Extension points: `Filter`.