Remove description attribute from pom

No longer used by Jenkins tooling, see index.jelly

pom.xml

@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
+
   <parent>
     <groupId>org.jenkins-ci.plugins</groupId>
     <artifactId>plugin</artifactId>
@@ -13,7 +14,6 @@
   <version>${revision}${changelist}</version>
   <packaging>hpi</packaging>
   <name>Git Parameter Plug-In</name>
-  <description>Adds ability to choose branches, tags  or revisions from git repositories configured in project.</description>
   <url>https://github.com/jenkinsci/${project.artifactId}-plugin</url>
 
   <licenses>