Repo maintenance

- Remove unused files.
- Fix runtime settings file.
- Remove non existing file from filter in AZDO trigger list.

***NO_CI***

Author: josesimoes

.runsettings

@@ -9,7 +9,7 @@
        <TargetPlatform>x64</TargetPlatform>
    </RunConfiguration>
    <nanoFrameworkAdapter>
-       <Logging>None</Logging>
-       <IsRealHardware>true</IsRealHardware>
+       <Logging>Verbose</Logging>
+       <IsRealHardware>false</IsRealHardware>
    </nanoFrameworkAdapter>
-</RunSettings>
+</RunSettings>

Tests/NFUnitTest1/nano.runsettings

@@ -12,7 +12,6 @@ trigger:
       - .github_changelog_generator
       - .gitignore
       - CHANGELOG.md
-      - CODE_OF_CONDUCT.md
       - LICENSE.md
       - README.md
       - README.zh-cn.md