Remove redundant action to make plugins dat file reproducible

Closes gh-29917

Author: wilkinsona

buildSrc/src/main/java/org/springframework/boot/build/log4j2/ReproducibleLog4j2PluginsDatAction.java

@@ -173,10 +173,6 @@ compileTestKotlin {
 	}
 }
 
-compileJava {
-	doLast new org.springframework.boot.build.log4j2.ReproducibleLog4j2PluginsDatAction()
-}
-
 toolchain {
 	testJvmArgs.add("--add-opens=java.base/java.net=ALL-UNNAMED")
 }