Remove glib compatibility code that is not required anymore

Now that we bumped the minimum glib version to 2.66, we can drop
the old code.

Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-ID: <20240418101056.302103-9-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
diff --git a/qga/commands-posix-ssh.c b/qga/commands-posix-ssh.c
index 866afe6..246171d 100644
--- a/qga/commands-posix-ssh.c
+++ b/qga/commands-posix-ssh.c
@@ -243,7 +243,6 @@
 }
 
 #ifdef QGA_BUILD_UNIT_TEST
-#if GLIB_CHECK_VERSION(2, 60, 0)
 static const strList test_key2 = {
     .value = (char *)"algo key2 comments"
 };
@@ -439,11 +438,4 @@
 
     return g_test_run();
 }
-#else
-int main(int argc, char *argv[])
-{
-    g_test_message("test skipped, needs glib >= 2.60");
-    return 0;
-}
-#endif /* GLIB_2_60 */
 #endif /* BUILD_UNIT_TEST */
diff --git a/util/error-report.c b/util/error-report.c
index 6e44a55..1b17c11 100644
--- a/util/error-report.c
+++ b/util/error-report.c
@@ -172,18 +172,8 @@
 static char *
 real_time_iso8601(void)
 {
-#if GLIB_CHECK_VERSION(2,62,0)
     g_autoptr(GDateTime) dt = g_date_time_new_now_utc();
-    /* ignore deprecation warning, since GLIB_VERSION_MAX_ALLOWED is 2.56 */
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
     return g_date_time_format_iso8601(dt);
-#pragma GCC diagnostic pop
-#else
-    GTimeVal tv;
-    g_get_current_time(&tv);
-    return g_time_val_to_iso8601(&tv);
-#endif
 }
 
 /*