*/BUILD: remove Bazel buildfiles.

I was trying to replace the Dockerfiles with Bazel files, but the
support just isn't there right now.

packer/BUILD

@@ -1,2 +0,0 @@
-load("@io_bazel_rules_docker//container:container.bzl", "container_image")
-load("@io_bazel_rules_docker//contrib:test.bzl", "container_test")

tools/BUILD

@@ -1,33 +0,0 @@
-load("@io_bazel_rules_docker//container:container.bzl", "container_image")
-# load("@io_bazel_rules_docker//contrib:test.bzl", "container_test")
-
-container_image(
-    name = "bladerunner/tools",
-    base = "@alpine_linux_amd64//image",
-    cmd = ["World"],
-    entrypoint = [
-        "echo",
-        "Hello",
-    ],
-    env = {
-        "envVar": "My environment variable",
-        "xyz": "321",
-    },
-    files = [
-        "//extended/image_data:Data_file.txt",
-        "//extended/image_data:More_data.txt",
-        "//extended/image_data:file_to_copy.txt",
-    ],
-    labels = {
-        "desc": "Description for version 7.7",
-        "version": "7.7",
-    },
-    symlinks = {
-        "/usr/More_data.txt": "/More_data.txt",
-    },
-    tars = ["//extended/image_data:tarfile.tar"],
-    volumes = [
-        "/myVol1",
-        "/usr/myVol2",
-    ],
-)