Remove dialout as critical process (sonic-net#14006)

zbud-msft · mssonicbld · commit 090146aa1e61 · 2023-03-01T15:04:30.000Z
#### Why I did it

Remove dialout as critical process as it is no longer used in prod. As part of future work, can remove dialout completely

#### How I did it

Remove from critical process list
diff --git a/dockers/docker-sonic-telemetry/critical_processes b/dockers/docker-sonic-telemetry/critical_processes
@@ -1,2 +1 @@
 program:telemetry
-program:dialout

Original file line number	Diff line number	Diff line change
`@@ -1,2 +1 @@`
`1`	`1`	`program:telemetry`
`2`		`-program:dialout`