Use print for clearing the first line.

Using Kernel.puts would cause an extra newline to be displayed in certain
terminals (e.g. urxvt).

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

lib/pry/pry_class.rb

@@ -138,7 +138,7 @@ class Pry
     # Clear the line before starting Pry. This fixes the issue discussed here:
     # https://github.com/pry/pry/issues/566
     if Pry.config.auto_indent
-      puts defined?(Win32::Console) ? "\e[0F" : "\e[0A\e[0G"
+      Kernel.print defined?(Win32::Console) ? "\e[0F" : "\e[0A\e[0G"
     end
 
     # Enter the matrix