Remove generated fmt overlay

CMakeLists.txt

@@ -319,31 +319,7 @@ if(PP_BUILD_APP)
         target_include_directories(pp_legacy_vendor
             PUBLIC
                 ${PP_LEGACY_INCLUDE_DIRS})
-        if(MSVC_VERSION GREATER_EQUAL 1945)
-            set(PP_FMT_VS2026_COMPAT_INCLUDE_DIR
-                "${CMAKE_CURRENT_BINARY_DIR}/compat/fmt-vs2026/include")
-            set(PP_FMT_VS2026_COMPAT_FORMAT_H
-                "${PP_FMT_VS2026_COMPAT_INCLUDE_DIR}/fmt/format.h")
-            file(MAKE_DIRECTORY "${PP_FMT_VS2026_COMPAT_INCLUDE_DIR}")
-            file(COPY
-                "${CMAKE_CURRENT_SOURCE_DIR}/libs/fmt/include/fmt"
-                DESTINATION "${PP_FMT_VS2026_COMPAT_INCLUDE_DIR}")
-            file(READ
-                "${CMAKE_CURRENT_SOURCE_DIR}/libs/fmt/include/fmt/format.h"
-                PP_FMT_FORMAT_H)
-            # VS 2026 removed stdext::checked_array_iterator; keep the fmt
-            # submodule clean by disabling that legacy-only branch in the
-            # generated overlay.
-            string(REPLACE
-                "#ifdef _SECURE_SCL"
-                "#if 0"
-                PP_FMT_FORMAT_H
-                "${PP_FMT_FORMAT_H}")
-            file(WRITE "${PP_FMT_VS2026_COMPAT_FORMAT_H}" "${PP_FMT_FORMAT_H}")
-            target_include_directories(pp_legacy_vendor
-                BEFORE PRIVATE
-                    "${PP_FMT_VS2026_COMPAT_INCLUDE_DIR}")
-        endif()
+        file(REMOVE_RECURSE "${CMAKE_CURRENT_BINARY_DIR}/compat/fmt-vs2026")
         target_compile_definitions(pp_legacy_vendor
             PUBLIC
                 ENUM_BITFIELDS_NOT_SUPPORTED