Reduce hpi size

[jonesbusy]

See my comment here #152 (comment)

I did a very quick test to ensure it work as expected

[MarkEWaite]

As far as I can tell, this pull request did not change the contents of the hpi file. It also did not remove the transient inclusion of commons-collections4 from the hpi file.

The build log from ci.jenkins.io build 160 includes the change and says:

 [INFO] Assembling webapp plot in /home/jenkins/agent/workspace/Plugins_plot-plugin_master/target/plot
 [INFO] Bundling direct dependency opencsv-5.9.jar
 [WARNING] Bundling transitive dependency commons-collections4-4.4.jar (via opencsv)
 [INFO] Generating hpi /home/jenkins/agent/workspace/Plugins_plot-plugin_master/target/plot.hpi

The build log from ci.jenkins.io build 159 does not include the change and says:

 [INFO] Assembling webapp plot in /home/jenkins/agent/workspace/Plugins_plot-plugin_master/target/plot
 [INFO] Bundling direct dependency opencsv-5.9.jar
 [WARNING] Bundling transitive dependency commons-collections4-4.4.jar (via opencsv)
 [INFO] Generating hpi /home/jenkins/agent/workspace/Plugins_plot-plugin_master/target/plot.hpi

The mvn dependency:tree output for the current code on the master branch shows:

[INFO] +- commons-beanutils:commons-beanutils:jar:1.9.4:provided
[INFO] |  \- commons-collections:commons-collections:jar:3.2.2:provided
[INFO] +- io.jenkins.plugins:commons-lang3-api:jar:3.17.0-84.vb_b_938040b_078:compile
[INFO] |  \- org.apache.commons:commons-lang3:jar:3.17.0:compile
[INFO] +- io.jenkins.plugins:commons-text-api:jar:1.12.0-129.v99a_50df237f7:compile
[INFO] |  \- org.apache.commons:commons-text:jar:1.12.0:compile
[INFO] +- org.jenkins-ci.plugins:matrix-project:jar:839.vff91cd7e3a_b_2:compile
...
[INFO] +- com.opencsv:opencsv:jar:5.9:compile
[INFO] |  \- org.apache.commons:commons-collections4:jar:4.4:compile
[INFO] +- org.jenkins-ci.plugins.workflow:workflow-job:jar:1400.v7fd111b_ec82f:test

As far as I can tell from that output, commons-collections4 needs to be included as a transitive dependency because no other dependency provides it.

The most recent commons text API plugin release 1.12.0-129.v99a_50df237f7 does not include commons-collections4, The jar files it includes are:

WEB-INF/lib/commons-text-1.12.0.jar
WEB-INF/lib/commons-text-api.jar

@jonesbusy where did you find that commons-text API provides commons-collections4? I don't see that in any of my checks.