_line_ should not be set by whereami.

Due to a small misunderstanding _line_ was set when really only _dir_ and _file_
had to be set when the user would call `whereami`.

Signed-off-by: Yorick Peterse <yorickpeterse@gmail.com>

lib/pry/default_commands/context.rb

@@ -49,7 +49,6 @@ class Pry
 
           if !code.empty?
             set_file_and_dir_locals(file)
-            _pry_.inject_local('_line_', start, target)
 
             output.puts "\n#{text.bold('From:')} #{file} @ line #{start} #{desc}:\n\n"
             output.puts code.with_line_numbers.with_marker(marker)

test/test_default_commands/test_context.rb

@@ -62,8 +62,6 @@ describe "Pry::DefaultCommands::Context" do
         def blimey!
           mock_pry(binding, 'whereami', '_file_') \
             .should =~ /#{File.expand_path(__FILE__)}/
-
-          mock_pry(binding, 'whereami', '_line_').should =~ /#{__LINE__}/
         end
       end