Make godeps restore/save clean

```
godep restore
rm -rf Godeps
godep save ./...
```

Will, after this change, have no diff.

Godeps/_workspace/src/github.com/codegangsta/negroni/negroni_test.go

@@ -72,4 +72,4 @@ func TestHandlers(t *testing.T) {
 	// exactly the same as the one that was registered earlier
 	handlers[0].ServeHTTP(response, (*http.Request)(nil), nil)
 	expect(t, response.Code, http.StatusOK)
-}
+}

Godeps/_workspace/src/github.com/garyburd/redigo/internal/commandinfo.go

@@ -12,7 +12,7 @@
 // License for the specific language governing permissions and limitations
 // under the License.
 
-package internal // import "github.com/garyburd/redigo/internal"
+package internal
 
 import (
 	"strings"

Godeps/_workspace/src/github.com/garyburd/redigo/redis/doc.go

@@ -166,4 +166,4 @@
 //   if _, err := redis.Scan(reply, &value1, &value2); err != nil {
 //      // handle error
 //  }
-package redis // import "github.com/garyburd/redigo/redis"
+package redis

Godeps/_workspace/src/github.com/shurcooL/sanitized_anchor_name/main.go

@@ -5,7 +5,7 @@
 //
 // At this time, it does not try to ensure that generated anchor names
 // are unique, that responsibility falls on the caller.
-package sanitized_anchor_name // import "github.com/shurcooL/sanitized_anchor_name"
+package sanitized_anchor_name
 
 import "unicode"
 

Godeps/_workspace/src/golang.org/x/exp/inotify/inotify_linux.go

@@ -24,7 +24,7 @@ Example:
     }
 
 */
-package inotify // import "golang.org/x/exp/inotify"
+package inotify
 
 import (
 	"errors"

Godeps/_workspace/src/golang.org/x/net/context/context.go

@@ -34,7 +34,7 @@
 //
 // See http://blog.golang.org/context for example code for a server that uses
 // Contexts.
-package context // import "golang.org/x/net/context"
+package context
 
 import (
 	"errors"

Godeps/_workspace/src/golang.org/x/net/html/atom/atom.go

@@ -15,7 +15,7 @@
 // whether atom.H1 < atom.H2 may also change. The codes are not guaranteed to
 // be dense. The only guarantees are that e.g. looking up "div" will yield
 // atom.Div, calling atom.Div.String will return "div", and atom.Div != 0.
-package atom // import "golang.org/x/net/html/atom"
+package atom
 
 // Atom is an integer code for a string. The zero value maps to "".
 type Atom uint32

Godeps/_workspace/src/golang.org/x/net/html/charset/charset.go

@@ -6,7 +6,7 @@
 //
 // The mapping from encoding labels to encodings is defined at
 // http://encoding.spec.whatwg.org.
-package charset // import "golang.org/x/net/html/charset"
+package charset
 
 import (
 	"bytes"

Godeps/_workspace/src/golang.org/x/net/html/doc.go

@@ -93,7 +93,7 @@ The relevant specifications include:
 http://www.whatwg.org/specs/web-apps/current-work/multipage/syntax.html and
 http://www.whatwg.org/specs/web-apps/current-work/multipage/tokenization.html
 */
-package html // import "golang.org/x/net/html"
+package html
 
 // The tokenization algorithm implemented by this package is not a line-by-line
 // transliteration of the relatively verbose state-machine in the WHATWG

Godeps/_workspace/src/golang.org/x/net/websocket/websocket.go

@@ -4,7 +4,7 @@
 
 // Package websocket implements a client and server for the WebSocket protocol
 // as specified in RFC 6455.
-package websocket // import "golang.org/x/net/websocket"
+package websocket
 
 import (
 	"bufio"