Remove 2.5 from public README

Author: Mats-SX

README.adoc

@@ -37,22 +37,6 @@ When installing GDS manually, please refer to the below compatibility matrix:
 |Neo4j 5.11.0
 |Neo4j 4.4.9 - 4.4.30
 .1+.^|Java 11
-.12+<.^|GDS 2.5.x
-|Neo4j 5.16.0
-.4+.^|Java 21 & Java 17
-|Neo4j 5.15.0
-|Neo4j 5.14.0
-|Neo4j 5.13.0
-|Neo4j 5.12.0
-.7+.^|Java 17
-|Neo4j 5.11.0
-|Neo4j 5.10.0
-|Neo4j 5.9.0
-|Neo4j 5.8.0
-|Neo4j 5.7.0
-|Neo4j 5.6.0
-|Neo4j 4.4.9 - 4.4.30
-.1+.^|Java 11
 |===
 
 NOTE: Preview releases are not automatically made available in Neo4j Desktop. They need to be installed manually.