Removed POST header check interfering with C2 profile.

src/server/api/routes.nim

@@ -120,12 +120,6 @@ proc httpGet*(request: Request) =
 proc httpPost*(request: Request) = 
     {.cast(gcsafe).}:
 
-        # Check headers
-        # If POST data is not binary data, return 404 error code
-        if request.headers.get("Content-Type") != "application/octet-stream": 
-            request.respond(404, body = "")
-            return
-
         try:        
             # Differentiate between registration and task result packet
             var unpacker = Unpacker.init(request.body)