Pom tweaks, removed goals from gmavenplus which cuase problems. Goals are only needed when combining java and groovy (#10)

<goal>generateStubs</goal>
<goal>generateTestStubs</goal>
<goal>removeStubs</goal>
                            <goal>removeTestStubs</goal>

Author: farthinder

pom.xml

@@ -201,18 +201,14 @@
             <plugin>
                 <groupId>org.codehaus.gmavenplus</groupId>
                 <artifactId>gmavenplus-plugin</artifactId>
-                <version>1.13.1</version>
+                <version>2.0.0</version>
                 <executions>
                     <execution>
                         <goals>
                             <goal>addSources</goal>
                             <goal>addTestSources</goal>
-                            <goal>generateStubs</goal>
                             <goal>compile</goal>
-                            <goal>generateTestStubs</goal>
                             <goal>compileTests</goal>
-                            <goal>removeStubs</goal>
-                            <goal>removeTestStubs</goal>
                         </goals>
                     </execution>
                 </executions>
@@ -224,23 +220,7 @@
                         <scope>runtime</scope>
                     </dependency>
                 </dependencies>
-                <!--configuration>
-                    <sources>
-                        <source>
-                            <directory>${project.basedir}/src/main/groovy</directory>
-                            <includes>
-                                <include>**/*.groovy</include>
-                            </includes>
-                        </source>
-                    </sources>
-                </configuration-->
-
             </plugin>
-            <!--plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.8.1</version>
-            </plugin-->
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-surefire-plugin</artifactId>