Remove obsolete Group tag

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

ogdi.spec

@@ -4,7 +4,6 @@ Name:           ogdi
 Version:        3.2.1
 Release:        2%{?dist}
 Summary:        Open Geographic Datastore Interface
-Group:          Applications/Engineering
 License:        BSD
 URL:            http://ogdi.sourceforge.net/
 # new project location is https://github.com/libogdi/ogdi
@@ -39,7 +38,6 @@ data products/formats.
 
 %package devel
 Summary:        OGDI header files and documentation
-Group:          Development/Libraries
 Requires:       %{name} = %{version}-%{release}
 Requires:       pkgconfig
 Requires:       zlib-devel expat-devel proj-devel
@@ -50,7 +48,6 @@ OGDI header files and developer's documentation.
 
 %package odbc
 Summary:        ODBC driver for OGDI
-Group:          System Environment/Libraries
 Requires:       %{name} = %{version}-%{release}
 
 %description odbc
@@ -59,7 +56,6 @@ ODBC driver for OGDI.
 
 %package tcl
 Summary:        TCL wrapper for OGDI
-Group:          System Environment/Libraries
 Requires:       %{name} = %{version}-%{release}
 
 %description tcl