Issue-1860: Remove Google Guava dependency

Author: GeertZijlmans1

pom.xml

@@ -22,11 +22,6 @@
             <artifactId>gson</artifactId>
             <version>2.10.1</version>
         </dependency>
-        <dependency>
-            <groupId>com.google.guava</groupId>
-            <artifactId>guava</artifactId>
-            <version>33.0.0-jre</version>
-        </dependency>
         <dependency>
             <groupId>com.squareup.okhttp3</groupId>
             <artifactId>okhttp</artifactId>