Update license to exclude "sell" language (#256)

Co-authored-by: Aleks <[email protected]>

LICENSE

@@ -25,8 +25,8 @@ Modifications of the Software.
 
 Patent License. Subject to the terms and conditions of this License Agreement and where
 and as applicable, each Contributor hereby grants You a perpetual, worldwide,
-non-exclusive, royalty-free patent license to make, have made, Use, offer to sell, sell,
-import, and otherwise transfer the Software, where such license applies only to those
+non-exclusive, royalty-free patent license to make, have made, Use, import,
+and otherwise transfer the Software, where such license applies only to those
 patent claims licensable by such Contributor that are necessarily infringed by their
 Contribution(s) alone or by combination of their Contribution(s) with the Software to
 which such Contribution(s) was submitted. If You institute patent litigation against any