all: remove control center in its entirety

src/video/dmabuf.rs

@@ -1,12 +1,8 @@
 use {
     crate::{
         format::Format,
-        gfx_api::SyncFile,
         utils::{compat::IoctlNumber, oserror::OsError},
-        video::{
-            LINEAR_MODIFIER, Modifier,
-            drm::{DrmError, syncobj::merge_sync_files},
-        },
+        video::{LINEAR_MODIFIER, Modifier},
     },
     arrayvec::ArrayVec,
     std::{cell::OnceCell, rc::Rc, sync::OnceLock},
@@ -118,21 +114,6 @@ impl DmaBuf {
         Ok(())
     }
 
-    pub fn export_sync_file(&self, flags: u32) -> Result<Option<SyncFile>, DrmError> {
-        let mut sf = PlaneVec::new();
-        for plane in &self.planes {
-            sf.push(
-                dma_buf_export_sync_file(&plane.fd, flags)
-                    .map(Rc::new)
-                    .map(SyncFile)
-                    .map_err(DrmError::ExportSyncFile)?,
-            );
-            if self.is_one_file() {
-                break;
-            }
-        }
-        merge_sync_files(sf.iter())
-    }
 }
 
 const DMA_BUF_BASE: u64 = b'b' as _;