When splitting `snake_case` words, omit the underscore

While we require camelCase by convention for official APIs, CRDs may use `snake_case`, and the generic describer prints this as `Snake _ Case`. Prow is impacted by this for the ProwJob CRD: ``` Decoration _ Config: Gcs _ Configuration: Bucket: origin-ci-test Default _ Org: openshift Default _ Repo: origin Path _ Strategy: single Gcs _ Credentials _ Secret: gcs-publisher-credentials ```

When splitting `snake_case` words, omit the underscore
7ae66641 · Clayton Coleman · 5e9a5659 · 7ae66641
Unverified Commit 7ae66641 authored Jun 22, 2018 by Clayton Coleman
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Showing with 8 additions and 5 deletions

describe.go pkg/printers/internalversion/describe.go +8 -5

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--- a/pkg/printers/internalversion/describe.go
+++ b/pkg/printers/internalversion/describe.go
@@ -275,19 +275,22 @@ func printUnstructuredContent(w PrefixWriter, level int, content map[string]inte
 func smartLabelFor(field string) string {
 	commonAcronyms := []string{"API", "URL", "UID", "OSB", "GUID"}
-	splitted := camelcase.Split(field)
+	parts := camelcase.Split(field)
-	for i := 0; i < len(splitted); i++ {
+	result := make([]string, 0, len(parts))
-		part := splitted[i]
+	for _, part := range parts {
+		if part == "_" {
+			continue
+		}
 		if slice.ContainsString(commonAcronyms, strings.ToUpper(part), nil) {
 			part = strings.ToUpper(part)
 		} else {
 			part = strings.Title(part)
 		}
-		splitted[i] = part
+		result = append(result, part)
 	}
-	return strings.Join(splitted, " ")
+	return strings.Join(result, " ")
 }
 // DefaultObjectDescriber can describe the default Kubernetes objects.