[build] remove workaround for fixed issue

Problem

There exists code whose only intent is to work around a bug, but the
bug is fixed.

Solution

Remove the code

See mockito#1444
See mockito/shipkit#741

build.gradle

@@ -121,21 +121,3 @@ spotless {
         importOrder 'static java', 'static javax', 'static ', 'java', 'javax', ''
     }
 }
-
-
-//workaround for #1444, delete when Shipkit bug is fixed
-subprojects {
-	eclipse {
-		project {
-			name = rootProject.name + '-' + project.name
-		}
-	}
-
-    afterEvaluate {
-        def lib = publishing.publications.javaLibrary
-        if(lib && !lib.artifactId.startsWith("mockito-")) {
-            lib.artifactId = "mockito-" + lib.artifactId
-        }
-    }
-}
-//end workaround