Remove obsolete Group tag

References: https://fedoraproject.org/wiki/Changes/Remove_Group_Tag

maven-dependency-tree.spec

@@ -3,7 +3,6 @@ Name:          maven-dependency-tree
 Version:       3.0
 Release:       6%{?dist}
 Summary:       Maven dependency tree artifact
-Group:         Development/Libraries
 License:       ASL 2.0
 Url:           http://maven.apache.org/
 Source0:       http://repo1.maven.org/maven2/org/apache/maven/shared/%{name}/%{version}/%{name}-%{version}-source-release.zip
@@ -27,7 +26,6 @@ Obsoletes:     maven-shared-dependency-tree < %{version}-%{release}
 Apache Maven dependency tree artifact. Originally part of maven-shared.
 
 %package javadoc
-Group:         Documentation
 Summary:       Javadoc for %{name}
 
 %description javadoc