Fix double blob-hunk (#19404)

- Don't show the blob-hunk twice.

templates/repo/diff/section_unified.tmpl

@@ -31,9 +31,7 @@
 				{{if eq .GetType 4}}
 					<td class="chroma lines-code blob-hunk">{{/*
 						*/}}<code {{if $inlineDiff.EscapeStatus.Escaped}}class="code-inner has-escaped" title="{{$.root.i18n.Tr "repo.line_unicode"}}"{{else}}class="code-inner"{{end}}>{{$inlineDiff.Content}}</code>{{/*
-					*/}}
+					*/}}</td>
-				{{$line.Content}}
-					</td>
 				{{else}}
 					<td class="chroma lines-code{{if (not $line.RightIdx)}} lines-code-old{{end}}">{{/*
 						*/}}{{if and $.root.SignedUserID $.root.PageIsPullFiles}}{{/*