Bump guava from 24.1.1-jre to 30.0-jre in /code-generation/generator

Author: wps132230

code-generation/generator/pom.xml

@@ -72,7 +72,7 @@
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
-            <version>24.1.1-jre</version>
+            <version>30.0-jre</version>
         </dependency>
         <dependency>
             <groupId>com.google.code.gson</groupId>
@@ -85,11 +85,6 @@
             <version>1.10.19</version>
             <scope>test</scope>
         </dependency>
-        <dependency>
-            <groupId>org.apache.velocity</groupId>
-            <artifactId>velocity-tools</artifactId>
-            <version>2.0</version>
-        </dependency>
         <dependency>
             <groupId>org.apache.velocity</groupId>
             <artifactId>velocity</artifactId>