Get rid of bazel.

Good riddance. More of a headache than it's worth.

mwc/BUILD.bazel

@@ -1,19 +0,0 @@
-load("@io_bazel_rules_go//go:def.bzl", "go_library", "go_test")
-
-go_library(
-    name = "mwc",
-    srcs = ["mwc.go"],
-    importpath = "git.wntrmute.dev/kyle/goutils/mwc",
-    visibility = ["//visibility:public"],
-)
-
-go_test(
-    name = "mwc_test",
-    size = "small",
-    srcs = ["mwc_test.go"],
-    embed = [":mwc"],
-    deps = [
-        "//assert",
-        "//testio",
-    ],
-)