Merge pull request #319 from maxmind/greg/no-exec-maven-plugin

Stop using mvn to initialize/update submodule

Author: shadromani

pom.xml

@@ -199,24 +199,6 @@
                     </execution>
                 </executions>
             </plugin>
-            <plugin>
-                <groupId>org.codehaus.mojo</groupId>
-                <artifactId>exec-maven-plugin</artifactId>
-                <version>3.0.0</version>
-                <executions>
-                    <execution>
-                        <phase>initialize</phase>
-                        <id>invoke build</id>
-                        <goals>
-                            <goal>exec</goal>
-                        </goals>
-                    </execution>
-                </executions>
-                <configuration>
-                    <executable>git</executable>
-                    <commandlineArgs>submodule update --init --recursive</commandlineArgs>
-                </configuration>
-            </plugin>
             <plugin>
                 <groupId>org.codehaus.mojo</groupId>
                 <artifactId>versions-maven-plugin</artifactId>