ifs: remove private screencast interface

wire/jay_compositor.txt

@@ -61,10 +61,6 @@ request watch_workspaces {
     id: id(jay_workspace_watcher),
 }
 
-request create_screencast {
-    id: id(jay_screencast),
-}
-
 request get_randr {
     id: id(jay_randr),
 }

wire/jay_screencast.txt

@@ -1,115 +0,0 @@
-# requests
-
-request destroy {
-
-}
-
-request set_output {
-    output: id(jay_output),
-}
-
-request set_allow_all_workspaces {
-    allow_all: u32,
-}
-
-request allow_workspace {
-    workspace: id(jay_workspace),
-}
-
-request touch_allowed_workspaces {
-}
-
-request set_use_linear_buffers {
-    use_linear: u32,
-}
-
-request set_running {
-    running: u32,
-}
-
-request configure {
-
-}
-
-request ack_buffers {
-    serial: u32,
-}
-
-request ack_config {
-    serial: u32,
-}
-
-request release_buffer {
-    idx: u32,
-}
-
-request set_toplevel {
-    id: id(jay_toplevel),
-}
-
-request clear_buffers (since = 7) {
-}
-
-request add_buffer (since = 7) {
-    buffer: id(wl_buffer),
-}
-
-# events
-
-event plane {
-    fd: fd,
-    offset: u32,
-    stride: u32,
-}
-
-event buffer {
-    format: u32,
-    modifier: pod(u64),
-    width: i32,
-    height: i32,
-}
-
-event buffers_done {
-    serial: u32,
-}
-
-event ready {
-    idx: u32,
-}
-
-event destroyed {
-
-}
-
-event missed_frame {
-
-}
-
-event config_output {
-    linear_id: u32,
-}
-
-event config_allow_all_workspaces {
-    allow_all: u32,
-}
-
-event config_allow_workspace {
-    linear_id: u32,
-}
-
-event config_use_linear_buffers {
-    use_linear: u32,
-}
-
-event config_running {
-    running: u32,
-}
-
-event config_done {
-    serial: u32,
-}
-
-event config_size (since = 7) {
-    width: i32,
-    height: i32,
-}