Jenkins: Roll back GIT to 4.3.0

Change-Id: I2a9404bd02d3c1921a6ab380cd59c797b3abbf53
diff --git a/jessie-amd64-jenkins-master/plugins.txt b/jessie-amd64-jenkins-master/plugins.txt
index 3108ae0..44e191e 100644
--- a/jessie-amd64-jenkins-master/plugins.txt
+++ b/jessie-amd64-jenkins-master/plugins.txt
@@ -10,7 +10,7 @@
 envinject:2.3.0
 flexible-publish:0.15.2
 gerrit-trigger:2.30.5
-git:4.4.3
+git:4.3.0
 github-oauth:0.33
 groovy-postbuild:2.5
 jdk-tool:1.4