Remove obsolete Group tag

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

gettext.spec

@@ -10,7 +10,6 @@ Name: gettext
 Version: 0.19.8.1
 Release: 18%{?dist}
 License: GPLv3+ and LGPLv2+
-Group: Development/Tools
 URL: http://www.gnu.org/software/gettext/
 Source: ftp://ftp.gnu.org/gnu/gettext/%{name}-%{tarversion}.tar.xz
 # Disable the test_lock test as it often hangs on a number of arches
@@ -81,7 +80,6 @@ programs.
 
 %package common-devel
 Summary: Common development files for %{name}
-Group: Development/Tools
 # autopoint archive
 License: GPLv3+
 BuildArch: noarch
@@ -92,7 +90,6 @@ This package contains common architecture independent gettext development files.
 
 %package devel
 Summary: Development files for %{name}
-Group: Development/Tools
 # autopoint is GPLv3+
 # libasprintf is LGPLv2+
 # libgettextpo is GPLv3+
@@ -115,7 +112,6 @@ want to add gettext support for your project.
 
 %package libs
 Summary: Libraries for %{name}
-Group: System Environment/Libraries
 # libasprintf is LGPLv2+
 # libgettextpo is GPLv3+
 License: LGPLv2+ and GPLv3+
@@ -126,7 +122,6 @@ This package contains libraries used internationalization support.
 
 %package -n emacs-%{name}
 Summary: Support for editing po files within GNU Emacs
-Group: Applications/Editors
 BuildArch: noarch
 # help users find po-mode.el
 Provides: emacs-po-mode