Switch DNSimple provider to API v2 (vendor update)

Author: janeczku

vendor.conf

@@ -7,6 +7,7 @@ github.com/cognetoapps/go-pointdns                  0.1.0
 github.com/crackcomm/cloudflare                     dc35819
 github.com/dghubble/sling                           5765fe1
 github.com/digitalocean/godo                        758b5be
+github.com/dnsimple/dnsimple-go/dnsimple            bbe1a2c
 github.com/denverdino/aliyungo                      26fc5b6
 github.com/go-ini/ini                               v1.21.1
 github.com/google/go-querystring/query              9235644
@@ -25,7 +26,6 @@ github.com/rancher/go-rancher-metadata/metadata     11a77c2
 github.com/rancher/go-rancher/v2                    939fd85
 github.com/tent/http-link-go                        ac974c6
 github.com/valyala/fasttemplate                     3b87495
-github.com/weppos/go-dnsimple/dnsimple              c82ccf1
 golang.org/x/net/context                            633434a
 golang.org/x/oauth2                                 314dd2c
 github.com/fanatic/go-infoblox                      81fb1b0