Remove obsolete Group tag

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

tss2.spec

@@ -8,7 +8,6 @@ Version:	1234
 Release:	2%{?dist}
 Summary:	IBM's TCG Software Stack (TSS) for TPM 2.0 and related utilities
 
-Group:		Applications/System	
 License:	BSD
 URL:		http://sourceforge.net/projects/ibmtpm20tss/
 Source0:	https://sourceforge.net/projects/ibmtpm20tss/files/ibmtss%{version}.tar.gz
@@ -28,7 +27,6 @@ education and debugging.
 
 %package devel
 Summary:	Development libraries and headers for IBM's TSS 2.0
-Group:		Development/Libraries
 Requires:	%{name}%{?_isa} = %{version}-%{release}
 
 %description devel