subprojects: remove libmicrohttpd

This one will be pulled in by libnpupnp automatically.  No need to
have it here.

subprojects/.gitignore

@@ -7,7 +7,7 @@
 /googletest-*/
 /lame-*/
 /libid3tag-*/
-/libmicrohttpd-*/
+/libmicrohttpd*
 /libmpdclient/
 /libnpupnp-*/
 /openssl-*/

subprojects/libmicrohttpd.wrap

@@ -1,13 +0,0 @@
-[wrap-file]
-directory = libmicrohttpd-0.9.77
-source_url = https://ftp.gnu.org/gnu/libmicrohttpd/libmicrohttpd-0.9.77.tar.gz
-source_filename = libmicrohttpd-0.9.77.tar.gz
-source_hash = 9e7023a151120060d2806a6ea4c13ca9933ece4eacfc5c9464d20edddb76b0a0
-patch_filename = libmicrohttpd_0.9.77-3_patch.zip
-patch_url = https://wrapdb.mesonbuild.com/v2/libmicrohttpd_0.9.77-3/get_patch
-patch_hash = a169ab5867890fd15bbb12774dfea67426e180fa3c1fc517beb90452ee5da6fa
-source_fallback_url = https://github.com/mesonbuild/wrapdb/releases/download/libmicrohttpd_0.9.77-3/libmicrohttpd-0.9.77.tar.gz
-wrapdb_version = 0.9.77-3
-
-[provide]
-libmicrohttpd = libmicrohttpd_dep