Remove stale mention of module layout from Maven plugin's docs

Closes gh-14854

Author: wilkinsona

spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/site/apt/usage.apt.vm

@@ -109,9 +109,6 @@ Usage
 
     * <<<ZIP>>> (alias to <<<DIR>>>): similar to the <<<JAR>>> layout using <<<PropertiesLauncher>>>.
 
-    * <<<MODULE>>>: Bundle dependencies (excluding those with <<<provided>>> scope) and project resources.
-      Does not bundle a bootstrap loader.
-
     * <<<NONE>>>: Bundle all dependencies and project resources. Does not bundle a bootstrap loader.
 
     []