mat: remove testing with blas/netlib package

README.md

@@ -42,7 +42,6 @@ The current list of non-internal tags is as follows:
 
 - safe — do not use assembly or unsafe
 - bounds — use bounds checks even in internal calls
-- cblas — use CGO gonum.org/v1/netlib/blas/netlib BLAS implementation in tests (only in [mat package](https://godoc.org/gonum.org/v1/gonum/mat))
 - noasm — do not use assembly implementations
 - tomita — use [Tomita, Tanaka, Takahashi pivot choice](https://doi.org/10.1016%2Fj.tcs.2006.06.015) for maximimal clique calculation, otherwise use random pivot (only in [topo package](https://godoc.org/gonum.org/v1/gonum/graph/topo))
 

mat/cblas_test.go

@@ -1,17 +0,0 @@
-// Copyright ©2015 The Gonum Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build cblas
-// +build cblas
-
-package mat
-
-import (
-	"gonum.org/v1/gonum/blas/blas64"
-	"gonum.org/v1/netlib/blas/netlib"
-)
-
-func init() {
-	blas64.Use(netlib.Implementation{})
-}