jenkins: remove extra githubNotify

Jenkinsfile

@@ -9,8 +9,6 @@ def periph_tests = []
 def other_tests = []
 def unittests = []
 
-githubNotify context: 'Jenkins', description: 'Build started', status: 'PENDING', targetUrl: "${env.BUILD_URL}artifact"
-
 /* stop running jobs */
 abortPreviousBuilds()
 
@@ -148,17 +146,9 @@ stage("examples") {
     abortOnError("examples failed")
 }
 
-def buildState = 'SUCCESS'
-
 if (currentBuild.result == null) {
     currentBuild.result = 'SUCCESS'
 }
-else if (currentBuild.result != 'SUCCESS') {
-    buildState = 'FAILURE'
-}
-
-/* set commit status in GitHub with url pointing to logs manually (necessary workaround for now) */
-githubNotify context: 'Jenkins', description: "${currentBuild.result}", status: buildState, targetUrl: "${env.BUILD_URL}artifact"
 
 /* create a job */
 def make_build(label, board, desc, arg)
@@ -222,7 +212,6 @@ def abortPreviousBuilds()
 def abortOnError(msg)
 {
     if ((currentBuild.result != null) && (currentBuild.result == 'FAILURE')) {
-        githubNotify context: 'Jenkins', description: msg, status: 'FAILURE', targetUrl: "${env.BUILD_URL}artifact"
         error msg
     }
 }