Stop symlinking README(s)
The symlinks were causing problems for `npm pack` (npm/npm#3310) and
might not even be necessary:
> If you have a README.md, it will be transformed into an index.md
> automatically.
https://github.com/mkdocs/mkdocs/issues/321#issuecomment-70022091
diff --git a/README.md b/README.md
deleted file mode 120000
index e892330..0000000
--- a/README.md
+++ /dev/null
@@ -1 +0,0 @@
-docs/index.md
\ No newline at end of file
diff --git a/docs/index.md b/README.md
similarity index 100%
rename from docs/index.md
rename to README.md
diff --git a/docs/README.md b/docs/README.md
deleted file mode 120000
index dd0ea36..0000000
--- a/docs/README.md
+++ /dev/null
@@ -1 +0,0 @@
-index.md
\ No newline at end of file
