GRD: don't force headless mode for `buildEventsScheme` task
GRD: don't force headless mode for `buildEventsScheme` task

Now, the platform knows that this command is headless

intellij-rust/intellij-rust,Undin/intellij-rust,intellij-rust/intellij-rust,Undin/intellij-rust,intellij-rust/intellij-rust,Undin/intellij-rust,Undin/intellij-rust,intellij-rust/intellij-rust,intellij-rust/intellij-rust,intellij-rust/intellij-rust,Undin/intellij-rust,Undin/intellij-rust