Revert "Modified wording of Plugin Registration paragraph in code.rst"
Revert "Modified wording of Plugin Registration paragraph in code.rst"

This reverts commit e5a1e39747c4eebfad69d93c7ac68cec753fb868.

mozilla/MozDef,mpurzynski/MozDef,netantho/MozDef,ameihm0912/MozDef,netantho/MozDef,jeffbryner/MozDef,netantho/MozDef,mpurzynski/MozDef,mozilla/MozDef,mpurzynski/MozDef,netantho/MozDef,jeffbryner/MozDef,gdestuynder/MozDef,mozilla/MozDef,jeffbryner/MozDef,ameihm0912/MozDef,mpurzynski/MozDef,Phrozyn/MozDef,jeffbryner/MozDef,Phrozyn/MozDef,mozilla/MozDef,Phrozyn/MozDef,gdestuynder/MozDef,ameihm0912/MozDef,gdestuynder/MozDef,gdestuynder/MozDef,Phrozyn/MozDef,ameihm0912/MozDef