[evince] build: stop checking for execinfo.h

[Germán Poo-Caamaño <gpoo src gnome org>]

commit 8534d1c21165282c33246ae99443b91116c79c41
Author: Alex Xu (Hello71) <alex_y_xu yahoo ca>
Date:   Sat Nov 27 10:16:58 2021 -0500

    build: stop checking for execinfo.h
    
    since 13a06349251874bd35d2f03c3fc93217cee749a2 in 2007, execinfo.h is no
    longer used in the code. therefore it is not necessary to check it
    anymore.

 meson.build | 5 -----
 1 file changed, 5 deletions(-)
---
diff --git a/meson.build b/meson.build
index 22812d7a3..75c5174f8 100644
--- a/meson.build
+++ b/meson.build
@@ -84,11 +84,6 @@ config_h.set_quoted('VERSION', ev_version)
 config_h.set_quoted('GETTEXT_PACKAGE', ev_name)
 config_h.set('ENABLE_NLS', true)
 
-# portability checks
-# FIXME: there is no use of backtrace in the code
-# for backtrace()
-cc.has_header('execinfo.h')
-
 # Support for nl_langinfo (_NL_MEASUREMENT_MEASUREMENT) (optional)
 langinfo_measurement_src = '''
   #include <langinfo.h>