Codechange: use initializer_lists for the settings tables

Not using vectors as those require copying from the initializer list and that
makes unique_ptrs to the actual SettingDesc objects later impossible.

src/table/settings.ini

@@ -59,7 +59,7 @@ static bool UpdateClientConfigValues(int32 p1);
  * assigns its own value. If the setting was company-based, that would mean that
  * vehicles could decide on different moments that they are heading back to a
  * service depot, causing desyncs on a massive scale. */
-const SettingDesc _settings[] = {
+const SettingTable _settings{
 [post-amble]
 };
 [templates]
@@ -76,7 +76,6 @@ SDT_OMANY  =  SDT_OMANY($base, $var, $type, $flags, $guiflags, $def,
 SDT_SSTR   =   SDT_SSTR($base, $var, $type, $flags, $guiflags, $def,                              $str, $strhelp, $strval, $proc, $from, $to,        $cat, $extra, $startup),
 SDT_VAR    =    SDT_VAR($base, $var, $type, $flags, $guiflags, $def,       $min, $max, $interval, $str, $strhelp, $strval, $proc, $from, $to,        $cat, $extra, $startup),
 SDT_NULL   =   SDT_NULL($length, $from, $to),
-SDT_END    = SDT_END()
 
 [validation]
 SDTG_VAR = static_assert($max <= MAX_$type, "Maximum value for $var exceeds storage size");
@@ -4112,6 +4111,3 @@ str      = STR_CONFIG_SETTING_RIGHT_MOUSE_BTN_EMU
 strhelp  = STR_CONFIG_SETTING_RIGHT_MOUSE_BTN_EMU_HELPTEXT
 strval   = STR_CONFIG_SETTING_RIGHT_MOUSE_BTN_EMU_COMMAND
 cat      = SC_BASIC
-
-[SDT_END]
-