Meta: Remove TZDB duplication

Meta/CMake/Superbuild/CMakeLists.txt

@@ -92,6 +92,7 @@ ExternalProject_Add(
     EXCLUDE_FROM_ALL YES
     CMAKE_CACHE_ARGS
     "-DCMAKE_INSTALL_PREFIX:STRING=<INSTALL_DIR>"
+    "-DTZDB_PATH:STRING=${SERENITY_BUILD_DIR}/TZDB"
     "-DUCD_PATH:STRING=${SERENITY_BUILD_DIR}/UCD"
     "-DCLDR_PATH:STRING=${SERENITY_BUILD_DIR}/CLDR"
     ${lagom_options}
@@ -120,6 +121,7 @@ ExternalProject_Add(
     # Tell the find_package(Lagom REQUIRED) command call where to find
     # the CMake package
     "-DCMAKE_PREFIX_PATH:STRING=${PROJECT_BINARY_DIR}/../lagom-install"
+    "-DTZDB_PATH:STRING=${SERENITY_BUILD_DIR}/TZDB"
     "-DUCD_PATH:STRING=${SERENITY_BUILD_DIR}/UCD"
     "-DCLDR_PATH:STRING=${SERENITY_BUILD_DIR}/CLDR"
     "-DSERENITY_ARCH:STRING=${SERENITY_ARCH}"