remove faraday comment from gemspec

Author: jcat4

mcp.gemspec

@@ -29,6 +29,4 @@ Gem::Specification.new do |spec|
 
   spec.add_dependency("json_rpc_handler", "~> 0.1")
   spec.add_dependency("json-schema", ">= 4.1")
-
-  # Faraday is required for the client HTTP transport layer
 end