Revert "Temporarily add AMG specifics into .gemspec"

This reverts commit 96729aa.

Author: anitagraham

generator_spec.gemspec

@@ -6,9 +6,9 @@ Gem::Specification.new do |s|
   s.name        = "generator_spec"
   s.version     = GeneratorSpec::VERSION
   s.platform    = Gem::Platform::RUBY
-  s.authors     = ["Steve Hodgkiss", "AMG"]
+  s.authors     = ["Steve Hodgkiss"]
   s.email       = ["[email protected]"]
-  s.homepage    = "https://github.com/anitagraham/generator_spec"
+  s.homepage    = "https://github.com/stevehodgkiss/generator_spec"
   s.license     = 'MIT'
   s.summary     = %q{Test Rails generators with RSpec}
   s.description = %q{Test Rails generators with RSpec}