Remove some more extraneous NOTIMPLEMENTEDs to "fix" failing layout tests.
Remove some more extraneous NOTIMPLEMENTEDs to "fix" failing layout tests.

It looks as though shouldMoveRangeAfterDelete exists for the purpose of non-browser embeddings of WebKit.  WebKit on Windows also just answers true here without asking the embedder, whereas WebKit on Mac asks the embedder.  I'm guessing that Mail.app may make use of this API to customize the behavior of WebKit's rich text editor.  For us, just answering true seems fine.

TBR=tony
Review URL: http://codereview.chromium.org/7444

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@3473 0039d316-1c4b-4281-b951-d872f2087c98

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