update pom parent

pom.xml

@@ -7,8 +7,8 @@
     <!-- Inherited Icy Parent POM -->
     <parent>
         <groupId>org.bioimageanalysis.icy</groupId>
-        <artifactId>parent-pom-plugin</artifactId>
-        <version>1.0.8</version>
+        <artifactId>pom-icy</artifactId>
+        <version>2.1.6</version>
     </parent>
 
     <!-- Project Information -->
@@ -23,7 +23,7 @@
 
         The Java Collections Framework was a major addition in JDK 1.2. It added many powerful data structures that accelerate development of most significant Java applications. Since that time it has become the recognised standard for collection handling in Java.
     </description>
-    <url>http://icy.bioimageanalysis.org/plugin/apache-commons-collections/</url>
+    <url>https://icy.bioimageanalysis.org/plugin/apache-commons-collections/</url>
     <inceptionYear>2020</inceptionYear>
 
     <organization>
@@ -59,42 +59,11 @@
 
     <!-- Project properties -->
     <properties>
-
+        <artifact-to-extract>commons-collections</artifact-to-extract>
     </properties>
 
-    <!-- Project build configuration -->
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-dependency-plugin</artifactId>
-                <executions>
-                    <execution>
-                        <id>${project.artifactId}-fetch</id>
-                        <phase>generate-sources</phase>
-                        <goals>
-                            <goal>unpack-dependencies</goal>
-                        </goals>
-                        <configuration>
-                            <includeArtifactIds>commons-collections4</includeArtifactIds>
-                            <outputDirectory>${project.build.outputDirectory}</outputDirectory>
-                            <stripVersion>true</stripVersion>
-                            <excludeTransitive>true</excludeTransitive>
-                        </configuration>
-                    </execution>
-                </executions>
-            </plugin>
-        </plugins>
-    </build>
-
     <!-- List of project's dependencies -->
     <dependencies>
-        <!-- The core of Icy -->
-        <dependency>
-            <groupId>org.bioimageanalysis.icy</groupId>
-            <artifactId>icy-kernel</artifactId>
-        </dependency>
-
         <dependency>
             <groupId>org.apache.commons</groupId>
             <artifactId>commons-collections4</artifactId>