docs: cleanup links (deprecated flood.io resources)

Author: aliesbelik

README.md

@@ -109,7 +109,6 @@ This list grew up from [an occasional answer](https://sqa.stackexchange.com/a/25
 
 ### DSL
 
-- [Ruby-JMeter](https://github.com/flood-io/ruby-jmeter) - A Ruby-based DSL for building JMeter test plans.
 - [jmeter-java-dsl](https://abstracta.github.io/jmeter-java-dsl/) - Simple Java API to run JMeter performance tests in an VCS and programmers friendly way.
 - [jmeter-dotnet-dsl](https://abstracta.github.io/jmeter-dotnet-dsl/) - Simple .Net API to run JMeter performance tests in an VCS and programmers friendly way.
 - [jmeter-groovy-dsl](https://github.com/smicyk/groovy-jmeter) - The Groovy-JMeter project is simple DSL to write JMeter test plans.
@@ -209,7 +208,6 @@ This list grew up from [an occasional answer](https://sqa.stackexchange.com/a/25
 
 - [Perforce BlazeMeter](https://www.blazemeter.com/) - Performance engineering platform with JMeter and Selenium support.
 - [OctoPerf](https://octoperf.com/) - SaaS and On-Premise Load Testing Tool with JMeter and Selenium support.
-- [Tricentis Flood](https://www.flood.io/) - Load testing service with JMeter, Gatling and Selenium scenarios support.
 - [RedLine13](https://redline13.com/) - AWS-based load testing service with JMeter, Gatling and Selenium scenarios support.
 - [LoadRunner Cloud](https://www.opentext.com/products/loadrunner-cloud) - OpenText cloud-based solution for web and mobile performance testing with JMeter and Gatling support (formerly Micro Focus LoadRunner Cloud, formerly HP StormRunner Load).
 - [Loadium](https://loadium.com/) - AWS-based load testing service with JMeter and Selenium support.
@@ -291,7 +289,6 @@ This list grew up from [an occasional answer](https://sqa.stackexchange.com/a/25
 
 - [Easy and realistic Load Testing of HTTP Live Streaming (HLS) with Apache JMeter](https://www.ubik-ingenierie.com/blog/easy-and-realistic-load-testing-of-http-live-streaming-hls-with-apache-jmeter/)
 - [Using JMeter to Load Test Live HLS Concurrency of Wowza Streaming Engine](https://web.archive.org/web/20210918113142/https://www.realeyes.com/blog/wowza-streaming/)
-- [Load testing HLS with Ruby JMeter](https://www.flood.io/blog/load-testing-hls-with-ruby-jmeter)
 - [How to Test Video Streaming with JMeter](https://www.blazemeter.com/blog/video-streaming-testing)
 - [HLS JMeter Plugin](https://github.com/Blazemeter/HLSPlugin)
 
@@ -419,7 +416,6 @@ This list grew up from [an occasional answer](https://sqa.stackexchange.com/a/25
 - [Ubik Load Pack Blog](https://www.ubik-ingenierie.com/blog/category/jmeter/) - Ubik Ingenierie blog.
 - [TestAutomationGuru Blog](https://www.testautomationguru.com/category/jmeter/) - Technical blog on test automation.
 - [RedLine13 Blog](https://www.redline13.com/blog/tag/jmeter/) - JMeter articles in RedLine13 blog.
-- [Flood.io Blog](https://www.flood.io/blog) - Load testing thoughts, stories and ideas from Flood IO.
 - [JMeter Blog](https://shantonusarker.blogspot.com/p/jmeter.html) - Another blog for performance & automation testing using JMeter.
 - [OctoPerf Blog](https://blog.octoperf.com/categories/jmeter/) - OctoPerf blog about JMeter and load testing.
 - [Abstracta JMeter Archives](https://abstracta.us/blog/tag/jmeter/) - Abstracta blog about JMeter.