clang-format-vs: Use a separate license.txt copy

The regular file used to display very poorly in the VSIX installer due
to long lines, wrapping etc.

llvm-svn: 300223
diff --git a/clang/tools/clang-format-vs/CMakeLists.txt b/clang/tools/clang-format-vs/CMakeLists.txt
index d07a4f6..1d44a47 100644
--- a/clang/tools/clang-format-vs/CMakeLists.txt
+++ b/clang/tools/clang-format-vs/CMakeLists.txt
@@ -6,11 +6,6 @@
       "${CMAKE_CURRENT_SOURCE_DIR}/ClangFormat/clang-format.exe"
       DEPENDS clang-format)
 
-  add_custom_target(clang_format_license
-      ${CMAKE_COMMAND} -E copy_if_different
-      "${CLANG_SOURCE_DIR}/LICENSE.TXT"
-      "${CMAKE_CURRENT_SOURCE_DIR}/ClangFormat/license.txt")
-
   # Build number added to Clang version to ensure that new VSIX can be upgraded
   string(TIMESTAMP CLANG_FORMAT_VSIX_BUILD %y%m%d%H%M UTC)
 
@@ -34,5 +29,5 @@
       COMMAND ${CMAKE_COMMAND} -E copy_if_different
       "${CMAKE_CURRENT_SOURCE_DIR}/ClangFormat/bin/Release/ClangFormat.vsix"
       "${LLVM_TOOLS_BINARY_DIR}/ClangFormat.vsix"
-      DEPENDS clang_format_exe_for_vsix clang_format_license)
+      DEPENDS clang_format_exe_for_vsix)
 endif()