Revert "Implement submit API to GrContext."

This reverts commit 40f288c72e4e836a2316cc058b5bb3aea92bde3f.

Reason for revert: canvaskit breaking for some reason???

Original change's description:
> Implement submit API to GrContext.
> 
> Change-Id: Ib813d42abb5f63e2ecdbf245d416658143853288
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/289033
> Commit-Queue: Greg Daniel <egdaniel@google.com>
> Reviewed-by: Brian Salomon <bsalomon@google.com>

TBR=egdaniel@google.com,bsalomon@google.com,penghuang@chromium.org,vasilyt@chromium.org

Change-Id: Iee6c8342cccc601edf64ea011f1303e5d72559a9
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/290917
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Greg Daniel <egdaniel@google.com>
diff --git a/src/gpu/GrDrawingManager.cpp b/src/gpu/GrDrawingManager.cpp
index badb958..2502d08 100644
--- a/src/gpu/GrDrawingManager.cpp
+++ b/src/gpu/GrDrawingManager.cpp
@@ -570,7 +570,12 @@
 
     SkDEBUGCODE(this->validate());
 
-    if (!didFlush || (!direct->priv().caps()->semaphoreSupport() && info.fNumSemaphores)) {
+    bool submitted = false;
+    if (didFlush) {
+        submitted = this->submitToGpu(SkToBool(info.fFlags & kSyncCpu_GrFlushFlag));
+    }
+
+    if (!submitted || (!direct->priv().caps()->semaphoreSupport() && info.fNumSemaphores)) {
         return GrSemaphoresSubmitted::kNo;
     }
     return GrSemaphoresSubmitted::kYes;