Remove third-party notice for old grammar

Author: DustinCampbell

ThirdPartyNotices.txt

@@ -12,7 +12,6 @@ expressly granted, whether by implication, estoppel or otherwise.
 3. run-in-terminal version 0.0.2 (https://github.com/microsoft/run-in-terminal)
 4. semver version 5.1.0 (https://github.com/npm/node-semver)
 5. DefinitelyTyped version 0.0.1 (https://github.com/borisyankov/DefinitelyTyped)
-6. language-csharp version 0.11.0 (https://github.com/atom/language-csharp)
 
 %% omnisharp-roslyn NOTICES AND INFORMATION BEGINS HERE
 ============================================================
@@ -123,42 +122,3 @@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.
 ============================================================
 END OF DefinitelyTyped NOTICES AND INFORMATION
-
-%% language-csharp NOTICES AND INFORMATION BEGIN HERE
-=========================================
-Copyright (c) 2014 GitHub Inc.
-
-Permission is hereby granted, free of charge, to any person obtaining
-a copy of this software and associated documentation files (the
-"Software"), to deal in the Software without restriction, including
-without limitation the rights to use, copy, modify, merge, publish,
-distribute, sublicense, and/or sell copies of the Software, and to
-permit persons to whom the Software is furnished to do so, subject to
-the following conditions:
-
-The above copyright notice and this permission notice shall be
-included in all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
-LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
-OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
-WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-
-This package was derived from a TextMate bundle located at
-https://github.com/wintermi/csharp-tmbundle by Matthew Winter @wintermi and
-Adam Lickel @lickel and distributed under the following license, located in
-`README.markdown`:
-
-This bundle is dual-licensed under MIT and GPL licenses.
-
- - http://www.opensource.org/licenses/mit-license.php
- - http://www.gnu.org/licenses/gpl.html
-
-Use it, change it, fork it, sell it. Do what you will, but please leave the
-author attribution.
-=========================================
-END OF language-csharp NOTICES AND INFORMATION