remove all lines in first part

From the second part, remove all lines in the first part. It can be useful when you have done something from a long list, you want to know what is not done yet!

Input

vim = 22 / 7
A simple change
Basic renumbering
Just the middle
Search and Replace 0
That hyphen
Space out the alphabet
Do you demand a shrubbery?
Ugly spreadsheet copy/paste to CSV
Sort and add attributes
Simple text editing with Vim
Don't know what this is
Fix the XML

Shuffled numbers
camel riding
Just the middle
I forgot quotes
A HAPPY NEW YEAR 2014 !
Fix the XML
Words in parens
Basic renumbering
Space out the alphabet
V to the i
Simple text editing with Vim
-a-b-c-
That hyphen
Don't know what this is
ASCII box
Gray area
Where should I put the Newline?
Search and Replace 0
Do you demand a shrubbery?
Saving the hashes(#)
Vertical Limit
Separating firstname & lastname
Test everything!
Sort and add attributes
Ugly spreadsheet copy/paste to CSV
vim = 22 / 7
Subtraction
A simple change
you're stuck on jQuery < 1.7
PHP Array Syntax -> MailChimp Merge Syntax

Output

Shuffled numbers
camel riding
I forgot quotes
A HAPPY NEW YEAR 2014 !
Words in parens
V to the i
-a-b-c-
ASCII box
Gray area
Where should I put the Newline?
Saving the hashes(#)
Vertical Limit
Separating firstname & lastname
Test everything!
Subtraction
you're stuck on jQuery < 1.7
PHP Array Syntax -> MailChimp Merge Syntax