Remove Log4j schema

Co-authored-by: Piotr P. Karwasz <[email protected]>

Author: vy

docs/platforms/java/guides/spring-boot/logging-frameworks.mdx

@@ -91,9 +91,7 @@ Then [follow the guide on configuring Log4j 2 with Spring Boot](https://docs.spr
 
 ```xml
 <?xml version="1.0" encoding="UTF-8"?>
-<Configuration xmlns="https://logging.apache.org/xml/ns"
-               xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-               xsi:schemaLocation="https://logging.apache.org/xml/ns https://logging.apache.org/xml/ns/log4j-config-2.xsd">
+<Configuration xmlns="https://logging.apache.org/xml/ns">
 
   <Appenders>
     <Console name="CONSOLE" target="SYSTEM_OUT">