Move runsettings to solution folder (#185)

***NO_CI***

Author: josesimoes

Tests/UnitTestDebugLogging/nano.runsettings renamed to .runsettings

@@ -83,7 +83,6 @@
     </Reference>
   </ItemGroup>
   <ItemGroup>
-    <None Include="nano.runsettings" />
     <None Include="packages.config" />
   </ItemGroup>
   <ItemGroup>

Tests/UnitTestDebugLogging/UnitTestDebugLogging.nfproj

@@ -50,7 +50,7 @@ steps:
   parameters:
     sonarCloudProject: 'nanoframework_nanoFramework.Logging'
     runUnitTests: true
-    unitTestRunsettings: '$(System.DefaultWorkingDirectory)\Tests\UnitTestDebugLogging\nano.runsettings'
+    unitTestRunsettings: '$(System.DefaultWorkingDirectory)\.runsettings'
 
 # package steps
 - template: azure-pipelines-templates/class-lib-package.yml@templates