Remove italic output throughout odo (#5612)

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**What type of PR is this:**

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/kind cleanup

**What does this PR do / why we need it:**

Remove all italic output throughout odo with the exception of building
images / pushing images.

Makes all output consistent with `odo dev` and `odo deploy`

**Which issue(s) this PR fixes:**
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N/A

**PR acceptance criteria:**

- [X] Unit test

- [X] Integration test

- [X] Documentation

**How to test changes / Special notes to the reviewer:**

Signed-off-by: Charlie Drage <charlie@charliedrage.com>

cmd/odo/odo.go

@@ -70,7 +70,7 @@ func main() {
 		util.LogErrorAndExit(root.ExecuteContext(segment.NewContext(context.Background())), "")
 		select {
 		case message := <-updateInfo:
-			log.Italic(message)
+			log.Info(message)
 		default:
 			klog.V(4).Info("Could not get the latest release information in time. Never mind, exiting gracefully :)")
 		}