Bug 593427 - Remove deprecated strings errors.properties [r=mconnor]

services/sync/locales/en-US/errors.properties

@@ -3,8 +3,6 @@ error.login.reason.passphrase = Wrong secret phrase
 error.login.reason.password   = Incorrect username or password
 error.login.reason.no_password= No saved password to use
 error.login.reason.no_synckey = No saved Sync Key to use
-# the following one is deprecated
-error.login.reason.no_passphrase= No saved secret phrase to use
 error.login.reason.server     = Server incorrectly configured
 
 error.sync.failed_partial     = One or more data types could not be synced
@@ -20,16 +18,7 @@ change.synckey.sameAsPassword   = The Sync Key cannot be the same as your passwo
 change.synckey.sameAsUsername   = The Sync Key cannot be the same as your user name
 change.synckey.tooShort         = The Sync Key entered is too short
 
-# these are all deprecated:
-change.passphrase.ppSameAsPassphrase = The secret phrase cannot be the same as your current secret phrase
-change.passphrase.ppSameAsPassword   = The secret phrase cannot be the same as your password
-change.passphrase.ppSameAsUsername   = The secret phrase cannot be the same as your user name
-change.passphrase.mismatch           = The phrases entered do not match
-change.passphrase.tooShort           = The secret phrase entered is too short
-
 change.password.pwSameAsSyncKey      = Password can't match your Sync Key
-# the following one is deprecated
-change.password.pwSameAsPassphrase   = Password can't match secret phrase
 change.password.pwSameAsPassword     = Password can't match current password
 change.password.pwSameAsUsername     = Password can't match your user name
 change.password.mismatch             = The passwords entered do not match