httpd:

Kill config options by making them always on:

FEATURE_HTTPD_RELOAD_CONFIG_SIGHUP
FEATURE_HTTPD_CONFIG_WITH_MIME_TYPES

This makes httpd.c remotely readable - it had ~125 #ifdefs, now it has ~100.
The growth on a .config with all FEATURE_HTTPDs off is:

function                                             old     new   delta
send_file_and_exit                                     -     269    +269
parse_conf                                           683     763     +80
free_llist                                             -      32     +32
httpd_main                                           427     454     +27
sighup_handler                                         -      15     +15
handle_incoming_and_exit                            1110     905    -205
------------------------------------------------------------------------------
(add/remove: 3/0 grow/shrink: 2/1 up/down: 423/-205)          Total: 218 bytes

1 files changed, 0 insertions, 2 deletions

diff --git a/scripts/defconfig b/scripts/defconfig
index b8b8c575e..6bf1a4a28 100644
--- a/scripts/defconfig
+++ b/scripts/defconfig
@@ -632,11 +632,9 @@ CONFIG_HOSTNAME=y
 CONFIG_HTTPD=y
 CONFIG_FEATURE_HTTPD_RANGES=y
 CONFIG_FEATURE_HTTPD_USE_SENDFILE=y
-CONFIG_FEATURE_HTTPD_RELOAD_CONFIG_SIGHUP=y
 CONFIG_FEATURE_HTTPD_SETUID=y
 CONFIG_FEATURE_HTTPD_BASIC_AUTH=y
 CONFIG_FEATURE_HTTPD_AUTH_MD5=y
-CONFIG_FEATURE_HTTPD_CONFIG_WITH_MIME_TYPES=y
 CONFIG_FEATURE_HTTPD_CGI=y
 CONFIG_FEATURE_HTTPD_CONFIG_WITH_SCRIPT_INTERPR=y
 CONFIG_FEATURE_HTTPD_SET_REMOTE_PORT_TO_ENV=y