refactor simplify fix

Author: G-Rath

lib/react/server_rendering.rb

@@ -17,12 +17,7 @@ module ServerRendering
     def self.reset_pool
       options = { size: pool_size, timeout: pool_timeout }
 
-      # ConnectionPool v3+ uses keyword arguments rather than positional
-      @pool = if ConnectionPool::VERSION[0] <= "2"
-                ConnectionPool.new(options) { renderer.new(renderer_options) }
-              else
-                ConnectionPool.new(**options) { renderer.new(renderer_options) }
-              end
+      @pool = ConnectionPool.new(**options) { renderer.new(renderer_options) }
     end
 
     # Check a renderer out of the pool and use it to render the component.