Drop a comment in loader.rb that repeats harness-spinel/harness.rb

Author: k0kubun

harness/loader.rb

@@ -1,10 +1,6 @@
 # Use harness/harness.rb by default. You can change it with -I option.
 # i.e. ruby -Iharness benchmarks/railsbench/benchmark.rb
 if RUBY_ENGINE == "spinel"
-  # Spinel (https://github.com/matz/spinel) compiles the whole program ahead of time and
-  # rejects the CRuby-only code in harness/harness.rb (RubyVM, RbConfig, Fiddle, ...).
-  # It drops the other branch of a RUBY_ENGINE check before analysis, so only this
-  # harness is compiled: `spinel -E benchmarks/fib.rb` needs no -I option at all.
   require_relative "../harness-spinel/harness"
 else
   retries = 0