[pkg] remove vendoring of golang/x/*

I think there's no need of vendoring this.
The debian package builds fine without them - at least with the text-dev
package in testing.

1 files changed, 0 insertions, 54 deletions

diff --git a/vendor/golang.org/x/text/unicode/norm/trie.go b/vendor/golang.org/x/text/unicode/norm/trie.go
deleted file mode 100644
index 423386b..0000000
--- a/vendor/golang.org/x/text/unicode/norm/trie.go
+++ /dev/null
@@ -1,54 +0,0 @@
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package norm
-
-type valueRange struct {
-	value  uint16 // header: value:stride
-	lo, hi byte   // header: lo:n
-}
-
-type sparseBlocks struct {
-	values []valueRange
-	offset []uint16
-}
-
-var nfcSparse = sparseBlocks{
-	values: nfcSparseValues[:],
-	offset: nfcSparseOffset[:],
-}
-
-var nfkcSparse = sparseBlocks{
-	values: nfkcSparseValues[:],
-	offset: nfkcSparseOffset[:],
-}
-
-var (
-	nfcData  = newNfcTrie(0)
-	nfkcData = newNfkcTrie(0)
-)
-
-// lookupValue determines the type of block n and looks up the value for b.
-// For n < t.cutoff, the block is a simple lookup table. Otherwise, the block
-// is a list of ranges with an accompanying value. Given a matching range r,
-// the value for b is by r.value + (b - r.lo) * stride.
-func (t *sparseBlocks) lookup(n uint32, b byte) uint16 {
-	offset := t.offset[n]
-	header := t.values[offset]
-	lo := offset + 1
-	hi := lo + uint16(header.lo)
-	for lo < hi {
-		m := lo + (hi-lo)/2
-		r := t.values[m]
-		if r.lo <= b && b <= r.hi {
-			return r.value + uint16(b-r.lo)*header.value
-		}
-		if b < r.lo {
-			hi = m
-		} else {
-			lo = m + 1
-		}
-	}
-	return 0
-}