remove sbt-updates

Author: yaroot

project/plugins.sbt

@@ -1,4 +1,3 @@
 addSbtPlugin("com.geirsson"        % "sbt-scalafmt"         % "1.5.0")
 addSbtPlugin("net.virtual-void"    % "sbt-dependency-graph" % "0.9.0")
-addSbtPlugin("com.timushev.sbt"    % "sbt-updates"          % "0.3.4")
 addSbtPlugin("io.github.gitbucket" % "sbt-gitbucket-plugin" % "1.2.0")