remove global sbt-pgp

Author: kxbmap

.gitignore

@@ -8,4 +8,4 @@
 .sbt/**/staging/
 .sbt/**/dependency/
 .sbt/*/credentials.sbt
-.sbt/gpg/
+.sbt/gpg

.sbt/0.13/plugins/plugins.sbt

@@ -4,8 +4,6 @@ addSbtPlugin("net.virtual-void" % "sbt-dependency-graph" % "0.7.5")
 
 addSbtPlugin("com.typesafe.sbt" % "sbt-git" % "0.8.4")
 
-addSbtPlugin("com.jsuereth" % "sbt-pgp" % "1.0.0")
-
 resolvers += "jgit-repo" at "http://download.eclipse.org/jgit/maven"
 
 libraryDependencies += "org.slf4j" % "slf4j-simple" % "1.7.12"