fix(command): directly print example text w/o capitalization (#741)

Co-authored-by: Steffen Trog <steffen.trog@fastleansmart.com>

command/help/_help_generator.ts

@@ -293,7 +293,7 @@ export class HelpGenerator {
     }
     return this.label("Examples") +
       Table.from(examples.map((example: Example) => [
-        dim(bold(`${capitalize(example.name)}:`)),
+        dim(bold(example.name)),
         dedent(example.description),
       ]))
         .padding(1)
@@ -358,10 +358,6 @@ export class HelpGenerator {
   }
 }
 
-function capitalize(string: string): string {
-  return string.charAt(0).toUpperCase() + string.slice(1);
-}
-
 /**
  * Colorize arguments string.
  * @param argsDefinition Arguments definition: `<color1:string> <color2:string>`