Fixed error in Form Helper textarea function

Function had declaration of unused $name variable which caused errors.
Revert "Fixed error in Form Helper textarea function"

This reverts commit e15d1be514dad1df7a3c38d6265566692ecf1260.
Fixed error in form_textarea helper function

Reverted from GitHub edited version to remove document line end
character.  Good to merge now.
Merge pull request #2352 from bayssmekanique/develop

Fixed error in Form Helper textarea function
Merge pull request #4 from EllisLab/develop

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