remove emscripten socket file descriptor limit

client/libcurl/ftp.c

@@ -0,0 +1,9 @@
+#include "curl/curl.h"
+
+#include "types.h"
+#include "util.h"
+
+void ftp_set_options(CURL* http_handle, const char* url, int no_body) {
+  curl_easy_setopt(http_handle, CURLOPT_NOBODY, (long) no_body);
+  curl_easy_setopt(http_handle, CURLOPT_URL, url);
+}

client/libcurl/main.c

@@ -119,11 +119,6 @@ void init_curl() {
   curl_global_init(CURL_GLOBAL_DEFAULT);
   multi_handle = curl_multi_init();
 
-  //emscripten has a fairly low file descriptor limit which means
-  //we must limit the total number of active tcp connections
-  curl_multi_setopt(multi_handle, CURLMOPT_MAX_TOTAL_CONNECTIONS, 50L);
-  curl_multi_setopt(multi_handle, CURLMOPT_MAXCONNECTS, 40L);
-  
   cacert_blob.data = _cacert_pem;
   cacert_blob.len = _cacert_pem_len;
   cacert_blob.flags = CURL_BLOB_NOCOPY;