Delete Gemfile.lock
Avoid [failures in travis](https://travis-ci.org/google/protobuf/jobs/163611664) under jruby
diff --git a/ruby/Gemfile.lock b/ruby/Gemfile.lock
deleted file mode 100644
index d0eb9cc..0000000
--- a/ruby/Gemfile.lock
+++ /dev/null
@@ -1,30 +0,0 @@
-PATH
- remote: .
- specs:
- google-protobuf (3.0.0.alpha.5.0.5)
-
-GEM
- remote: https://rubygems.org/
- specs:
- power_assert (0.2.2)
- rake (10.4.2)
- rake-compiler (0.9.5)
- rake
- rake-compiler-dock (0.5.1)
- rubygems-tasks (0.2.4)
- test-unit (3.0.9)
- power_assert
-
-PLATFORMS
- java
- ruby
-
-DEPENDENCIES
- google-protobuf!
- rake-compiler
- rake-compiler-dock
- rubygems-tasks
- test-unit
-
-BUNDLED WITH
- 1.11.2
