remove newlines

Author: rashmichandrashekar

docs/developer/cli-arguments.md

@@ -24,7 +24,6 @@ spec:
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 [embedmd]:# (../../help.txt)
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 ```txt
 $ kube-state-metrics -h
 kube-state-metrics is a simple service that listens to the Kubernetes API server and generates metrics about the state of the objects.
@@ -93,6 +92,5 @@ Flags:
 
 Use "kube-state-metrics [command] --help" for more information about a command.
 ```
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