Revert "KNOX-2335 - Upgrade java-support to 8.0.0"

This reverts commit e6aaf40301dafc9cdce617c19a558be52c0cccbe.
diff --git a/pom.xml b/pom.xml
index 2c2b6cc..99413f0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -214,7 +214,7 @@
         <jaxb.version>2.3.0</jaxb.version>
         <jaxws-ri.version>2.3.2</jaxws-ri.version>
         <jakarta.xml.bind.version>2.3.2</jakarta.xml.bind.version>
-        <java-support.version>8.0.0</java-support.version>
+        <java-support.version>7.5.1</java-support.version>
         <jericho-html.version>3.4</jericho-html.version>
         <jersey.version>2.6</jersey.version>
         <jetty.version>9.4.27.v20200227</jetty.version>