Remove duplicate -l option for init command

See gh-14460

Author: ruslanys

spring-boot-project/spring-boot-cli/src/main/java/org/springframework/boot/cli/command/init/InitCommand.java

@@ -127,7 +127,7 @@ protected void options() {
 			this.target = option(Arrays.asList("target"), "URL of the service to use")
 					.withRequiredArg()
 					.defaultsTo(ProjectGenerationRequest.DEFAULT_SERVICE_URL);
-			this.listCapabilities = option(Arrays.asList("list", "l"),
+			this.listCapabilities = option(Arrays.asList("list"),
 					"List the capabilities of the service. Use it to discover the "
 							+ "dependencies and the types that are available");
 			projectGenerationOptions();