Gopkg: remove unused dependencies + cleanup Gopkg.toml

Gopkg.lock

@@ -31,12 +31,6 @@
   packages = ["."]
   revision = "eb3733d160e74a9c7e442f435eb3bea458e1d19f"
 
-[[projects]]
-  name = "github.com/inconshreveable/mousetrap"
-  packages = ["."]
-  revision = "76626ae9c91c4f2a10f34cad8ce83ea42c93bb75"
-  version = "v1.0"
-
 [[projects]]
   branch = "master"
   name = "github.com/jinzhu/copier"
@@ -112,6 +106,6 @@
 [solve-meta]
   analyzer-name = "dep"
   analyzer-version = 1
-  inputs-digest = "94133f88486f1d0e1eff6b87c7bb2f0b0f87e981f91d89865ec48ad74671473a"
+  inputs-digest = "bdfcb09b88a5c4de0ea4a4fcd438b31f9feea455ebb17e4d3d4d620d704796e1"
   solver-name = "gps-cdcl"
   solver-version = 1

Gopkg.toml

@@ -1,25 +1,4 @@
-
-# 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"
-
+ignored = [ "github.com/inconshreveable/mousetrap" ]
 
 [[constraint]]
   branch = "master"