Stop generating the Parser class on mvn:compile or mvn:package.

gson/pom.xml

@@ -134,6 +134,7 @@
            </workspaceCodeStylesURL>
          </configuration>
        </plugin>
+<!--
        <plugin>
         <groupId>org.codehaus.mojo</groupId>
         <artifactId>javacc-maven-plugin</artifactId>
@@ -158,6 +159,7 @@
         </dependency>
         </dependencies>
       </plugin>
+-->
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-jxr-plugin</artifactId>