Update banner links

- point left banner to the same url as is on image
- remove the link from the right banner as it is the same as for left
- set left banner the same height as left

Author: slawekjaranowski

src/site/site.xml

@@ -22,12 +22,12 @@ under the License.
 <site xmlns="http://maven.apache.org/SITE/2.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://maven.apache.org/SITE/2.0.0 https://maven.apache.org/xsd/site-2.0.0.xsd">
 
-  <bannerLeft href="https://www.apache.org/">
-    <image src="https://maven.apache.org/images/apache-maven-project-light-theme.svg" width="489px" height="51px"/>
+  <bannerLeft href="https://maven.apache.org/">
+    <image src="https://maven.apache.org/images/apache-maven-project-light-theme.svg" width="489px" height="83px"/>
   </bannerLeft>
 
-  <bannerRight href="https://maven.apache.org/">
-    <image src="/images/logos/MavenLogoLeafSmall.png"/>
+  <bannerRight>
+    <image src="https://maven.apache.org/images/logos/MavenLogoLeafSmall.png"/>
   </bannerRight>
 
   <skin>