Remove Log4j schema

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

Author: vy

docs/platforms/java/common/legacy/log4j2/index.mdx

@@ -41,9 +41,7 @@ Example configuration using the `log4j2.xml` format:
 
 ```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">