CSHARP-3002: Changed third-party notices to direct to JIRA rather than Google Group.

Author: JamesKovacs

THIRD-PARTY-NOTICES

@@ -2,9 +2,9 @@ The MongoDB .NET Driver uses third-party libraries or other resources that may
 be distributed under licenses different than the MongoDB .NET Driver software.
 
 In the event that we accidentally failed to list a required notice,
-please bring it to our attention through any of the ways detailed here:
+please bring it to our attention by opening a JIRA ticket in our issue tracker:
 
-           mongodb[email protected]
+           https://jira.mongodb.org/browse/CSHARP
 
 The attached notices are provided for information only.
 
@@ -160,4 +160,4 @@ https://github.com/mongodb/mongo-csharp-driver.
      distributed under the License is distributed on an "AS IS" BASIS,
      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      See the License for the specific language governing permissions and
-     limitations under the License.
+     limitations under the License.