GODRIVER-2656 Remove pkg/errors dependency. (#1130)

Co-authored-by: Benji Rewis <[email protected]>

Author: podhmo

go.mod

@@ -20,7 +20,6 @@ require (
 	github.com/klauspost/compress v1.13.6
 	github.com/kr/pretty v0.1.0
 	github.com/montanaflynn/stats v0.0.0-20171201202039-1bf9dbcd8cbe
-	github.com/pkg/errors v0.9.1
 	github.com/stretchr/testify v1.6.1
 	github.com/tidwall/pretty v1.0.0
 	github.com/xdg-go/scram v1.1.1

go.sum

@@ -14,8 +14,6 @@ github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
 github.com/montanaflynn/stats v0.0.0-20171201202039-1bf9dbcd8cbe h1:iruDEfMl2E6fbMZ9s0scYfZQ84/6SPL6zC8ACM2oIL0=
 github.com/montanaflynn/stats v0.0.0-20171201202039-1bf9dbcd8cbe/go.mod h1:wL8QJuTMNUDYhXwkmfOly8iTdp5TEcJFWZD2D7SIkUc=
-github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
-github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=

mongo/client_encryption.go

@@ -8,10 +8,10 @@ package mongo
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"strings"
 
-	"github.com/pkg/errors"
 	"go.mongodb.org/mongo-driver/bson"
 	"go.mongodb.org/mongo-driver/bson/primitive"
 	"go.mongodb.org/mongo-driver/mongo/options"

mongo/integration/mtest/opmsg_deployment.go

@@ -8,8 +8,8 @@ package mtest
 
 import (
 	"context"
+	"errors"
 
-	"github.com/pkg/errors"
 	"go.mongodb.org/mongo-driver/bson"
 	"go.mongodb.org/mongo-driver/internal"
 	"go.mongodb.org/mongo-driver/mongo/address"