[CALCITE-2499] Drop support for dep
diff --git a/Gopkg.lock b/Gopkg.lock
deleted file mode 100644
index 3af6021..0000000
--- a/Gopkg.lock
+++ /dev/null
@@ -1,128 +0,0 @@
-# This file is autogenerated, do not edit; changes may be undone by the next 'dep ensure'.
-
-
-[[projects]]
-  digest = "1:318f1c959a8a740366fce4b1e1eb2fd914036b4af58fbd0a003349b305f118ad"
-  name = "github.com/golang/protobuf"
-  packages = ["proto"]
-  pruneopts = "UT"
-  revision = "b5d812f8a3706043e23a9cd5babf2e5423744d30"
-  version = "v1.3.1"
-
-[[projects]]
-  digest = "1:f14364057165381ea296e49f8870a9ffce2b8a95e34d6ae06c759106aaef428c"
-  name = "github.com/hashicorp/go-uuid"
-  packages = ["."]
-  pruneopts = "UT"
-  revision = "4f571afc59f3043a65f8fe6bf46d887b10a01d43"
-  version = "v1.0.1"
-
-[[projects]]
-  branch = "master"
-  digest = "1:ae221758bdddd57f5c76f4ee5e4110af32ee62583c46299094697f8f127e63da"
-  name = "github.com/jcmturner/gofork"
-  packages = [
-    "encoding/asn1",
-    "x/crypto/pbkdf2",
-  ]
-  pruneopts = "UT"
-  revision = "dc7c13fece037a4a36e2b3c69db4991498d30692"
-
-[[projects]]
-  digest = "1:220454f22582ee261c09b310a14e6979886069808a696005c5ca998f80eca0cf"
-  name = "github.com/xinsnake/go-http-digest-auth-client"
-  packages = ["."]
-  pruneopts = "UT"
-  revision = "9da83de55d71220f00cbffb736dba373e6e683b1"
-  version = "v0.4.0"
-
-[[projects]]
-  branch = "master"
-  digest = "1:04b43fe96213ea69cfa6e6b8be218a43a375035ea09d9bdda9fed2691f5a7e76"
-  name = "golang.org/x/crypto"
-  packages = [
-    "md4",
-    "pbkdf2",
-  ]
-  pruneopts = "UT"
-  revision = "c05e17bb3b2dca130fc919668a96b4bec9eb9442"
-
-[[projects]]
-  digest = "1:c902038ee2d6f964d3b9f2c718126571410c5d81251cbab9fe58abd37803513c"
-  name = "gopkg.in/jcmturner/aescts.v1"
-  packages = ["."]
-  pruneopts = "UT"
-  revision = "f6abebb3171c4c1b1fea279cb7c7325020a26290"
-  version = "v1.0.1"
-
-[[projects]]
-  digest = "1:a1a3e185c03d79a7452d5d5b4c91be4cc433f55e6ed3a35233d852c966e39013"
-  name = "gopkg.in/jcmturner/dnsutils.v1"
-  packages = ["."]
-  pruneopts = "UT"
-  revision = "13eeb8d49ffb74d7a75784c35e4d900607a3943c"
-  version = "v1.0.1"
-
-[[projects]]
-  digest = "1:5842913724551997c82539fc690ea003cc88cffc0122fd797bd3d08a55a14dd6"
-  name = "gopkg.in/jcmturner/gokrb5.v7"
-  packages = [
-    "asn1tools",
-    "client",
-    "config",
-    "credentials",
-    "crypto",
-    "crypto/common",
-    "crypto/etype",
-    "crypto/rfc3961",
-    "crypto/rfc3962",
-    "crypto/rfc4757",
-    "crypto/rfc8009",
-    "iana",
-    "iana/addrtype",
-    "iana/adtype",
-    "iana/asnAppTag",
-    "iana/chksumtype",
-    "iana/errorcode",
-    "iana/etypeID",
-    "iana/flags",
-    "iana/keyusage",
-    "iana/msgtype",
-    "iana/nametype",
-    "iana/patype",
-    "kadmin",
-    "keytab",
-    "krberror",
-    "messages",
-    "pac",
-    "types",
-  ]
-  pruneopts = "UT"
-  revision = "7b6b2f54b7fda31a47cd7e68ca8485dedeb0e1ed"
-  version = "v7.2.3"
-
-[[projects]]
-  digest = "1:0f16d9c577198e3b8d3209f5a89aabe679525b2aba2a7548714e973035c0e232"
-  name = "gopkg.in/jcmturner/rpc.v1"
-  packages = [
-    "mstypes",
-    "ndr",
-  ]
-  pruneopts = "UT"
-  revision = "99a8ce2fbf8b8087b6ed12a37c61b10f04070043"
-  version = "v1.1.0"
-
-[solve-meta]
-  analyzer-name = "dep"
-  analyzer-version = 1
-  input-imports = [
-    "github.com/golang/protobuf/proto",
-    "github.com/hashicorp/go-uuid",
-    "github.com/xinsnake/go-http-digest-auth-client",
-    "gopkg.in/jcmturner/gokrb5.v7/client",
-    "gopkg.in/jcmturner/gokrb5.v7/config",
-    "gopkg.in/jcmturner/gokrb5.v7/credentials",
-    "gopkg.in/jcmturner/gokrb5.v7/keytab",
-  ]
-  solver-name = "gps-cdcl"
-  solver-version = 1
diff --git a/Gopkg.toml b/Gopkg.toml
deleted file mode 100644
index b733bdc..0000000
--- a/Gopkg.toml
+++ /dev/null
@@ -1,46 +0,0 @@
-# Gopkg.toml example
-#
-# Refer to https://github.com/golang/dep/blob/master/docs/Gopkg.toml.md
-# for detailed Gopkg.toml documentation.
-#
-# required = ["github.com/user/thing/cmd/thing"]
-# ignored = ["github.com/user/project/pkgX", "bitbucket.org/user/project/pkgA/pkgY"]
-#
-# [[constraint]]
-#   name = "github.com/user/project"
-#   version = "1.0.0"
-#
-# [[constraint]]
-#   name = "github.com/user/project2"
-#   branch = "dev"
-#   source = "github.com/myfork/project2"
-#
-# [[override]]
-#   name = "github.com/x/y"
-#   version = "2.4.0"
-#
-# [prune]
-#   non-go = false
-#   go-tests = true
-#   unused-packages = true
-
-
-[[constraint]]
-  name = "github.com/golang/protobuf"
-  version = "1.3.1"
-
-[[constraint]]
-  name = "github.com/xinsnake/go-http-digest-auth-client"
-  version = "0.4.0"
-
-[[constraint]]
-  name = "gopkg.in/jcmturner/gokrb5.v7"
-  version = "7.2.3"
-
-[[constraint]]
-  name = "github.com/hashicorp/go-uuid"
-  version = "1.0.1"
-
-[prune]
-  go-tests = true
-  unused-packages = true