Revert "fixed v2/errors"

This reverts commit 8e265c03c8adbc4fcafbd4eefcef9f78e99efd5b.
diff --git a/add-redirect.sh b/add-redirect.sh
deleted file mode 100644
index a84b6e5..0000000
--- a/add-redirect.sh
+++ /dev/null
@@ -1,65 +0,0 @@
-#!/bin/bash -e
-
-# Credit for this code goes to https://github.com/line/go-import-redirects
-# It is modified here for nanomsg.org.
-# The upstream was missing any clear license.
-
-if [[ $# -ne 2 ]] && [[ $# -ne 3 ]]; then
-  echo "Usage: $0 <src> <dest> [<suffix>]"
-  echo "Examples:"
-  echo
-  echo "1) $0 foo bar"
-  echo
-  echo "   'import \"nanomsg.org/foo\"' is redirected to 'https://github.com/nanomsg/bar.git'"
-  echo
-  echo "2) $0 foo bar qux"
-  echo
-  echo "   'import \"nanomsg.org/foo/qux\"' is redirected to the package 'qux' in 'https://github.com/nanomsg/bar.git'"
-  echo
-  exit 1
-fi
-
-SRC="$1"
-DST="$2"
-SUFFIX="$3"
-
-if [[ ! "$SRC" =~ (^([-_0-9a-zA-Z]+/)*[-_0-9a-zA-Z]+$) ]]; then
-  echo "Invalid source: $SRC"
-  exit 1
-fi
-
-if [[ ! "$DST" =~ (^[-_0-9a-zA-Z]+$) ]]; then
-  echo "Invalid destination: $DST"
-  exit 1
-fi
-
-if [[ -n "$SUFFIX" ]] && [[ ! "$SUFFIX" =~ (^([-_0-9a-zA-Z]+/)*[-_0-9a-zA-Z]+$) ]]; then
-  echo "Invalid suffix: $SUFFIX"
-  exit 1
-fi
-
-cd "$(dirname "$0")"
-IMPORT_ROOT="nanomsg.org/$SRC"
-GODOC_URL="https://godoc.org/$IMPORT_ROOT"
-
-SRC_DIR="$SRC"
-if [[ -n "$SUFFIX" ]]; then
-  GODOC_URL="$GODOC_URL/$SUFFIX"
-  SRC_DIR="$SRC_DIR/$SUFFIX"
-fi
-
-mkdir "$SRC_DIR"
-
-echo "<!DOCTYPE html>
-<html>
-<head>
-<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
-<meta name=\"go-import\" content=\"$IMPORT_ROOT git https://github.com/nanomsg/$DST\">
-<meta name=\"go-source\" content=\"$IMPORT_ROOT https://github.com/nanomsg/$DST/ https://github.com/nanomsg/$DST/tree/master{/dir} https://github.com/nanomsg/$DST/blob/master{/dir}/{file}#L{line}\">
-<meta http-equiv=\"refresh\" content=\"0; url=$GODOC_URL\">
-</head>
-<body>
-Redirecting to docs at <a href=\"$GODOC_URL\">$GODOC_URL</a>...
-</body>
-</html>
-" > "$SRC_DIR/index.html"
diff --git a/go/mangos/v2/errors/index.html b/go/mangos/v2/errors/index.html
deleted file mode 100644
index 2348e57..0000000
--- a/go/mangos/v2/errors/index.html
+++ /dev/null
@@ -1,13 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head>
-<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
-<meta name="go-import" content="nanomsg.org/go/mangos/v2 git https://github.com/nanomsg/mangos">
-<meta name="go-source" content="nanomsg.org/go/mangos/v2 https://github.com/nanomsg/mangos/ https://github.com/nanomsg/mangos/tree/master{/dir} https://github.com/nanomsg/mangos/blob/master{/dir}/{file}#L{line}">
-<meta http-equiv="refresh" content="0; url=https://godoc.org/nanomsg.org/go/mangos/v2/errors">
-</head>
-<body>
-Redirecting to docs at <a href="https://godoc.org/nanomsg.org/go/mangos/v2/errors">https://godoc.org/nanomsg.org/go/mangos/v2/errors</a>...
-</body>
-</html>
-