Tests: Drop unused files from RunCMake.CommandLine

Remove files missed by commit 8d6f015d59 (Drop Visual Studio 10 2010
generator, 2022-09-26).

Tests/RunCMake/CommandLine/DeprecateVS10-WARN-OFF.cmake

diff --git a/Tests/RunCMake/CommandLine/DeprecateVS10-WARN-OFF.cmake b/Tests/RunCMake/CommandLine/DeprecateVS10-WARN-OFF.cmake
deleted file mode 100644
index e69de29..0000000
--- a/Tests/RunCMake/CommandLine/DeprecateVS10-WARN-OFF.cmake
+++ /dev/null

Tests/RunCMake/CommandLine/DeprecateVS10-WARN-ON.cmake

diff --git a/Tests/RunCMake/CommandLine/DeprecateVS10-WARN-ON.cmake b/Tests/RunCMake/CommandLine/DeprecateVS10-WARN-ON.cmake
deleted file mode 100644
index e69de29..0000000
--- a/Tests/RunCMake/CommandLine/DeprecateVS10-WARN-ON.cmake
+++ /dev/null