Gemfile in zold-0.14.10 vs Gemfile in zold-0.14.11

@@ -19,7 +19,6 @@
 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
 source 'https://rubygems.org'
-ruby '2.3.3'
 gemspec