drop unneeded BuildRequires: gdb

originally added to log build-time tool crashes

commit 4cfeb5ea50
Author: Caolán McNamara <caolanm@redhat.com>
Date:   Sat Apr 25 13:53:26 2015 +0100

    get gdb to put bt into build log on failure

libreoffice.spec

@@ -50,7 +50,7 @@ Summary:        Free Software Productivity Suite
 Name:           libreoffice
 Epoch:          1
 Version:        %{libo_version}.2
-Release:        7%{?libo_prerelease}%{?dist}
+Release:        8%{?libo_prerelease}%{?dist}
 License:        (MPLv1.1 or LGPLv3+) and LGPLv3 and LGPLv2+ and BSD and (MPLv1.1 or GPLv2 or LGPLv2 or Netscape) and Public Domain and ASL 2.0 and MPLv2.0 and CC0
 URL:            http://www.libreoffice.org/
 
@@ -102,7 +102,6 @@ BuildRequires: doxygen
 BuildRequires: findutils
 BuildRequires: flex
 BuildRequires: gcc-c++
-BuildRequires: gdb
 BuildRequires: gettext
 BuildRequires: git
 BuildRequires: gnupg2
@@ -1133,8 +1132,6 @@ touch autogen.lastrun
  %{?archoptions} \
  %{?flatpakoptions}
 
-ulimit -c unlimited || true
-
 make verbose=true build-nocheck
 
 #generate the icons and mime type stuff
@@ -2274,6 +2271,9 @@ done
 %{_includedir}/LibreOfficeKit
 
 %changelog
+* Wed Jan 27 2021 Caolán McNamara <caolanm@redhat.com> - 1:7.0.4.2-8
+- drop unneeded BuildRequires: gdb
+
 * Wed Jan 27 2021 Caolán McNamara <caolanm@redhat.com> - 1:7.0.4.2-7
 - Resolves: rhbz#1916539 text not wrapping in right hand help brower pane