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

This reverts commit a70c33a68e, reversing
changes made to f515f9c03a.

lib/ArduinoJson/test/JsonObject/remove.cpp

@@ -1,41 +0,0 @@
-// ArduinoJson - arduinojson.org
-// Copyright Benoit Blanchon 2014-2018
-// MIT License
-
-#include <ArduinoJson.h>
-#include <catch.hpp>
-#include <string>
-
-TEST_CASE("JsonObject::remove()") {
-  DynamicJsonBuffer jb;
-
-  SECTION("SizeDecreased_WhenValuesAreRemoved") {
-    JsonObject& obj = jb.createObject();
-    obj["hello"] = 1;
-
-    obj.remove("hello");
-
-    REQUIRE(0 == obj.size());
-  }
-
-  SECTION("SizeUntouched_WhenRemoveIsCalledWithAWrongKey") {
-    JsonObject& obj = jb.createObject();
-    obj["hello"] = 1;
-
-    obj.remove("world");
-
-    REQUIRE(1 == obj.size());
-  }
-
-  SECTION("RemoveByIterator") {
-    JsonObject& obj = jb.parseObject("{\"a\":0,\"b\":1,\"c\":2}");
-
-    for (JsonObject::iterator it = obj.begin(); it != obj.end(); ++it) {
-      if (it->value == 1) obj.remove(it);
-    }
-
-    std::string result;
-    obj.printTo(result);
-    REQUIRE("{\"a\":0,\"c\":2}" == result);
-  }
-}