Merge pull request #25 from selfmadecode/feature/code-clean-up

remove unused usings

Author: selfmadecode

src/Throttlr.Api.RateLimit/Core/Counter/TokenBucketCounter.cs

@@ -1,6 +1,4 @@
 using System;
-using System.Collections.Generic;
-using System.Text;
 
 namespace RateLimit.Throttlr.Core.Counter
 {

src/Throttlr.Api.RateLimit/Core/FixedWindowRateLimiter.cs

@@ -1,6 +1,4 @@
 using System;
-using System.Collections.Generic;
-using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
 using RateLimit.Throttlr.Abstractions;