refactor: remove magic getter

Author: ecastro98

README.md

@@ -43,8 +43,6 @@ $mta = new Mta($server, $auth);
 $response = $mta->getResource('someResource')->call('callableFunction', $arg1, $arg2, $arg3, ...);
 // or
 $response = $mta->getResource('someResource')->callableFunction($arg1, $arg2, $arg3, ...);
-// or also
-$response = $mta->someResource->callableFunction($arg1, $arg2, $arg3, ...);
 
 var_dump($response);
 ```

src/Mta.php

@@ -86,9 +86,4 @@ public static function doReturn(...$arguments): void
     {
         echo ElementTransformer::toServer($arguments);
     }
-
-    public function __get(string $resourceName): MtaResource
-    {
-        return $this->getResource($resourceName);
-    }
 }

tests/Functional/MtaTest.php

@@ -90,18 +90,4 @@ public function testItReturnResource()
         $this->assertInstanceOf(Resource::class, $resource);
         $this->assertEquals($resourceName, $resource->getName());
     }
-
-    public function testItReturnResource2()
-    {
-        $server = $this->createMock(Server::class);
-        $credential = $this->createMock(Authentication::class);
-        $client = new Client();
-        $mta = new Mta($server, $credential, $client);
-
-        $resourceName = 'someResource';
-        $resource = $mta->$resourceName;
-
-        $this->assertInstanceOf(Resource::class, $resource);
-        $this->assertEquals($resourceName, $resource->getName());
-    }
 }