delete readonly

git-tfs-id: [http://spb8590:8080/tfs/defaultcollection]$/TestProject/src/TestSolution;C142
Merge $/TestProject/src/TestSolution into $/TestProject/Branches/Release10

git-tfs-id: [http://spb8590:8080/tfs/defaultcollection]$/TestProject/Branches/Release10;C143
Merge remote-tracking branch 'refs/remotes/tfs/Release10' into Release10
Merge branch 'Release10' of github.com:EShalagin/TestTFSGit into Release10