Simplify sample code.

Source/Samples/43_HttpRequestDemo/HttpRequestDemo.cpp

@@ -84,9 +84,6 @@ void HttpRequestDemo::HandleUpdate(StringHash eventType, VariantMap& eventData)
 {
     Network* network = GetSubsystem<Network>();
 
-    if (!network)
-        return;
-
     if (httpRequest_.Null())
         httpRequest_ = network->MakeHttpRequest("http://httpbin.org/ip");
     else

bin/Data/LuaScripts/43_HttpRequestDemo.lua

@@ -46,7 +46,7 @@ end
 function HandleUpdate(eventType, eventData)
     -- Create HTTP request
     if httpRequest == nil then
-        httpRequest = network:MakeHttpRequest("http://httpbin.org/ip", "GET")
+        httpRequest = network:MakeHttpRequest("http://httpbin.org/ip")
     else
         -- Initializing HTTP request
         if httpRequest.state == HTTP_INITIALIZING then

bin/Data/Scripts/43_HttpRequestDemo.as

@@ -50,7 +50,7 @@ void HandleUpdate(StringHash eventType, VariantMap& eventData)
 {
     // Create HTTP request
     if (httpRequest is null)
-        httpRequest = network.MakeHttpRequest("http://httpbin.org/ip", "GET");
+        httpRequest = network.MakeHttpRequest("http://httpbin.org/ip");
     else
     {
         // Initializing HTTP request