remove obsolete ant build scripts
remove obsolete ant build scripts

triplequote/intellij-scala,jastice/intellij-scala,jastice/intellij-scala,jastice/intellij-scala,jastice/intellij-scala,JetBrains/intellij-scala,triplequote/intellij-scala,JetBrains/intellij-scala,triplequote/intellij-scala