mlw-lt-track-ISSUE-111: Delete requirement not needed in locale filter [MLW-LT Standard Draft]

mlw-lt-track-ISSUE-111: Delete requirement not needed in locale filter [MLW-LT Standard Draft]

http://www.w3.org/International/multilingualweb/lt/track/issues/111

Raised by: Felix Sasaki
On product: MLW-LT Standard Draft

"Implementations MUST NOT combine lists of language ranges from multiple rules or local attributes."
This is not needed: overriding of ITS information covers this, hence deleting the sentence.