[rubygems/rubygems] Drop two TODOs from specification.rb

These were introduced 13 years ago, in a documentation update. Perhaps we can let the TODOs go, without taking any action?

rubygems/rubygems@fb23fa84f9

Author: olleolleolle

lib/rubygems/specification.rb

@@ -1003,8 +1003,6 @@ def self.each
   def self.find_all_by_name(name, *requirements)
     requirements = Gem::Requirement.default if requirements.empty?
 
-    # TODO: maybe try: find_all { |s| spec === dep }
-
     Gem::Dependency.new(name, *requirements).matching_specs
   end
 
@@ -1022,8 +1020,6 @@ def self.find_all_by_full_name(full_name)
   def self.find_by_name(name, *requirements)
     requirements = Gem::Requirement.default if requirements.empty?
 
-    # TODO: maybe try: find { |s| spec === dep }
-
     Gem::Dependency.new(name, *requirements).to_spec
   end