Revert "Merge branch 'master' of https://github.com/1technophile/OpenMQTTGateway"

This reverts commit a70c33a68e, reversing
changes made to f515f9c03a.

lib/ArduinoJson/test/DynamicJsonBuffer/size.cpp

@@ -1,27 +0,0 @@
-// ArduinoJson - arduinojson.org
-// Copyright Benoit Blanchon 2014-2018
-// MIT License
-
-#include <ArduinoJson.h>
-#include <catch.hpp>
-
-TEST_CASE("DynamicJsonBuffer::size()") {
-  DynamicJsonBuffer buffer;
-
-  SECTION("Initial size is 0") {
-    REQUIRE(0 == buffer.size());
-  }
-
-  SECTION("Increases after alloc()") {
-    buffer.alloc(1);
-    REQUIRE(1U <= buffer.size());
-    buffer.alloc(1);
-    REQUIRE(2U <= buffer.size());
-  }
-
-  SECTION("Goes back to 0 after clear()") {
-    buffer.alloc(1);
-    buffer.clear();
-    REQUIRE(0 == buffer.size());
-  }
-}