Use badger code from upstream repository (elastic#21705)

Issue in badger with 32-bits architectures has been solved in the
release branch used by Beats. Update to the version with this fix and
stop using the Elastic fork.

(cherry picked from commit 355eef4)

NOTICE.txt

@@ -4473,12 +4473,12 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 
 --------------------------------------------------------------------------------
-Dependency : github.com/elastic/badger/v2
-Version: v2.2007.2-beats
+Dependency : github.com/dgraph-io/badger/v2
+Version: v2.2007.3-0.20201012072640-f5a7e0a1c83b
 Licence type (autodetected): Apache-2.0
 --------------------------------------------------------------------------------
 
-Contents of probable licence file $GOMODCACHE/github.com/elastic/badger/v2@v2.2007.2-beats/LICENSE:
+Contents of probable licence file $GOMODCACHE/github.com/dgraph-io/badger/v2@v2.2007.3-0.20201012072640-f5a7e0a1c83b/LICENSE:
 
                                  Apache License
                            Version 2.0, January 2004

go.mod

@@ -45,7 +45,7 @@ require (
 	github.com/davecgh/go-xdr v0.0.0-20161123171359-e6a2ba005892 // indirect
 	github.com/denisenkom/go-mssqldb v0.0.0-20200206145737-bbfc9a55622e
 	github.com/devigned/tab v0.1.2-0.20190607222403-0c15cf42f9a2 // indirect
-	github.com/dgraph-io/badger/v2 v2.2007.2
+	github.com/dgraph-io/badger/v2 v2.2007.3-0.20201012072640-f5a7e0a1c83b
 	github.com/dgrijalva/jwt-go v3.2.1-0.20190620180102-5e25c22bd5d6+incompatible // indirect
 	github.com/digitalocean/go-libvirt v0.0.0-20180301200012-6075ea3c39a1
 	github.com/dlclark/regexp2 v1.1.7-0.20171009020623-7632a260cbaf // indirect
@@ -190,7 +190,6 @@ replace (
 	github.com/Azure/go-autorest => github.com/Azure/go-autorest v12.2.0+incompatible
 	github.com/Shopify/sarama => github.com/elastic/sarama v1.19.1-0.20200629123429-0e7b69039eec
 	github.com/cucumber/godog => github.com/cucumber/godog v0.8.1
-	github.com/dgraph-io/badger/v2 => github.com/elastic/badger/v2 v2.2007.2-beats
 	github.com/docker/docker => github.com/docker/engine v0.0.0-20191113042239-ea84732a7725
 	github.com/docker/go-plugins-helpers => github.com/elastic/go-plugins-helpers v0.0.0-20200207104224-bdf17607b79f
 	github.com/dop251/goja => github.com/andrewkroh/goja v0.0.0-20190128172624-dd2ac4456e20

go.sum

@@ -201,6 +201,8 @@ github.com/denisenkom/go-mssqldb v0.0.0-20200206145737-bbfc9a55622e/go.mod h1:xb
 github.com/devigned/tab v0.1.1/go.mod h1:XG9mPq0dFghrYvoBF3xdRrJzSTX1b7IQrvaL9mzjeJY=
 github.com/devigned/tab v0.1.2-0.20190607222403-0c15cf42f9a2 h1:6+hM8KeYKV0Z9EIINNqIEDyyIRAcNc2FW+/TUYNmWyw=
 github.com/devigned/tab v0.1.2-0.20190607222403-0c15cf42f9a2/go.mod h1:XG9mPq0dFghrYvoBF3xdRrJzSTX1b7IQrvaL9mzjeJY=
+github.com/dgraph-io/badger/v2 v2.2007.3-0.20201012072640-f5a7e0a1c83b h1:mUDs72Rlzv6A4YN8w3Ra3hU9x/plOQPcQjZYL/1f5SM=
+github.com/dgraph-io/badger/v2 v2.2007.3-0.20201012072640-f5a7e0a1c83b/go.mod h1:26P/7fbL4kUZVEVKLAKXkBXKOydDmM2p1e+NhhnBCAE=
 github.com/dgraph-io/ristretto v0.0.3-0.20200630154024-f66de99634de h1:t0UHb5vdojIDUqktM6+xJAfScFBsVpXZmqC9dsgJmeA=
 github.com/dgraph-io/ristretto v0.0.3-0.20200630154024-f66de99634de/go.mod h1:KPxhHT9ZxKefz+PCeOGsrHpl1qZ7i70dGTu2u+Ahh6E=
 github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
@@ -239,8 +241,6 @@ github.com/eapache/queue v1.1.0 h1:YOEu7KNc61ntiQlcEeUIoDTJ2o8mQznoNvUhiigpIqc=
 github.com/eapache/queue v1.1.0/go.mod h1:6eCeP0CKFpHLu8blIFXhExK/dRa7WDZfr6jVFPTqq+I=
 github.com/eclipse/paho.mqtt.golang v1.2.1-0.20200121105743-0d940dd29fd2 h1:DW6WrARxK5J+o8uAKCiACi5wy9EK1UzrsCpGBPsKHAA=
 github.com/eclipse/paho.mqtt.golang v1.2.1-0.20200121105743-0d940dd29fd2/go.mod h1:H9keYFcgq3Qr5OUJm/JZI/i6U7joQ8SYLhZwfeOo6Ts=
-github.com/elastic/badger/v2 v2.2007.2-beats h1:/rV4bM6fdYvPQhFf2bHHivIb0H4nX8Or7nkWbQ/Q6Ko=
-github.com/elastic/badger/v2 v2.2007.2-beats/go.mod h1:26P/7fbL4kUZVEVKLAKXkBXKOydDmM2p1e+NhhnBCAE=
 github.com/elastic/dhcp v0.0.0-20200227161230-57ec251c7eb3 h1:lnDkqiRFKm0rxdljqrj3lotWinO9+jFmeDXIC4gvIQs=
 github.com/elastic/dhcp v0.0.0-20200227161230-57ec251c7eb3/go.mod h1:aPqzac6AYkipvp4hufTyMj5PDIphF3+At8zr7r51xjY=
 github.com/elastic/ecs v1.6.0 h1:8NmgfnsjmKXh9hVsK3H2tZtfUptepNc3msJOAynhtmc=