Remove obsolete Group tag

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

mingw-dlfcn.spec

@@ -8,7 +8,6 @@ Release:       1%{?dist}
 Summary:       Implements a wrapper for dlfcn (dlopen dlclose dlsym dlerror)
 
 License:       LGPLv2+
-Group:         Development/Libraries
 URL:           https://github.com/%{realname}/%{realname}
 Source0:       https://github.com/%{realname}/%{realname}/archive/v%{version}.tar.gz
 
@@ -41,7 +40,6 @@ around the dynamic link library functions found in the Windows API.
 %package -n mingw32-dlfcn-static
 Summary:        Static version of the MinGW Windows dlfcn library
 Requires:       mingw32-dlfcn = %{version}-%{release}
-Group:          Development/Libraries
 
 %description -n mingw32-dlfcn-static
 Static version of the MinGW Windows dlfcn library.
@@ -57,7 +55,6 @@ around the dynamic link library functions found in the Windows API.
 %package -n mingw64-dlfcn-static
 Summary:        Static version of the MinGW Windows dlfcn library
 Requires:       mingw64-dlfcn = %{version}-%{release}
-Group:          Development/Libraries
 
 %description -n mingw64-dlfcn-static
 Static version of the MinGW Windows dlfcn library.