Remove redundant guard protecting deletion of mSpellChecker.
Remove redundant guard protecting deletion of mSpellChecker.

svn path=/trunk/kdepim/; revision=298022

lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi