[bugfix] small pom.xml corrections for github-release-plugin

  - removed github-release-plugin version in exist-installer/pom.xml
  - removed wrong ')' in exist-distribution/pom.xml

Author: windauer

exist-distribution/pom.xml

@@ -1090,8 +1090,8 @@
                                     <directory>${project.build.directory}</directory>
                                     <includes>
                                         <include>eXist-db-${project.version}.dmg</include>
-                                        <include>${project.artifactId})-${project.version}-unix.tar.bz2</include>
-                                        <include>${project.artifactId})-${project.version}-win.zip</include>
+                                        <include>${project.artifactId}-${project.version}-unix.tar.bz2</include>
+                                        <include>${project.artifactId}-${project.version}-win.zip</include>
                                     </includes>
                                 </fileSet>
                             </fileSets>

exist-installer/pom.xml

@@ -138,7 +138,6 @@
             <plugin>
                 <groupId>de.jutzig</groupId>
                 <artifactId>github-release-plugin</artifactId>
-                <version>1.1.1</version>
                 <executions>
                     <execution>
                         <id>github-upload</id>