Remove a bunch of references to "@org_frc971"

Downstream users use this as @aos. Use a combination of the clean_dep macro
and repo mappings to make it so that we will no longer have to maintain
diffs across the repositories.

The remaining differences are largely in some random rust files.

Change-Id: Ie10c88c299bc1ee9a0309a6a5536c49638519557
Signed-off-by: James Kuszmaul <james.kuszmaul@bluerivertech.com>
diff --git a/tools/build_rules/clean_dep.bzl b/tools/build_rules/clean_dep.bzl
index 7778d63..3ca4465 100644
--- a/tools/build_rules/clean_dep.bzl
+++ b/tools/build_rules/clean_dep.bzl
@@ -10,3 +10,10 @@
     # A repo-relative label is resolved relative to the file in which the
     # Label() call appears, i.e. @org_frc971.
     return str(Label(target))
+
+def aos_repo_name():
+    """Returns a string representing the current name of the @org_frc971/@aos repo."""
+
+    # Use an arbitrary target for our label
+    label_name = Label("//:fake_target").workspace_name
+    return label_name if label_name else "org_frc971"
diff --git a/tools/build_rules/mkdocs.bzl b/tools/build_rules/mkdocs.bzl
index b3a82f9..deacbf9 100644
--- a/tools/build_rules/mkdocs.bzl
+++ b/tools/build_rules/mkdocs.bzl
@@ -1,3 +1,5 @@
+load("//tools/build_rules:clean_dep.bzl", "clean_dep")
+
 def _mkdocs_impl(ctx):
     output_file = ctx.actions.declare_file(ctx.attr.name + ".tar")
     build_args = ctx.actions.args()
@@ -30,7 +32,7 @@
             allow_files = [".yaml"],
             mandatory = True,
         ),
-        "_mkdocs": attr.label(default = Label("@org_frc971//documentation:mkdocs_bin"), executable = True, cfg = "exec"),
+        "_mkdocs": attr.label(default = Label("//documentation:mkdocs_bin"), executable = True, cfg = "exec"),
     },
 )
 
@@ -53,7 +55,7 @@
     _mkdocs(name = name, srcs = srcs, config = config, **kwargs)
     native.py_binary(
         name = name + ".serve",
-        srcs = ["@org_frc971//documentation:mkdocs_bin.py"],
+        srcs = [clean_dep("//documentation:mkdocs_bin.py")],
         main = "mkdocs_bin.py",
         args = ["serve", "-f", "$(location %s)" % (config,)],
         deps = ["@pip//mkdocs"],