tests : download models only when running ctest (#18843)

Signed-off-by: Adrien Gallouët <angt@huggingface.co>

cmake/common.cmake

@@ -33,25 +33,3 @@ function(llama_add_compile_flags)
         endif()
     endif()
 endfunction()
-
-function(llama_download_model NAME HASH)
-    set(DEST "${CMAKE_BINARY_DIR}/${NAME}")
-    get_filename_component(DEST_DIR "${DEST}" DIRECTORY)
-    file(MAKE_DIRECTORY "${DEST_DIR}")
-    if(NOT EXISTS "${DEST}")
-        message(STATUS "Downloading ${NAME} from ggml-org/models...")
-    endif()
-    file(DOWNLOAD
-        "https://huggingface.co/ggml-org/models/resolve/main/${NAME}?download=true"
-        "${DEST}"
-        TLS_VERIFY ON
-        EXPECTED_HASH ${HASH}
-        STATUS status
-    )
-    list(GET status 0 code)
-    if(NOT code EQUAL 0)
-        list(GET status 1 msg)
-        message(FATAL_ERROR "Failed to download ${NAME}: ${msg}")
-    endif()
-    set(LLAMA_DOWNLOAD_MODEL "${DEST}" PARENT_SCOPE)
-endfunction()