webnn: Remove the MLContext.compute() method
This method has been deprecated for dispatch()
OBSOLETE_HISTOGRAMS=compute() is deprecated in favor of dispatch()
Bug: 331351967
Change-Id: Id115f97edd78205c587b6920de4c21fa83961191
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5874875
Reviewed-by: Phillis Tang phillis@chromium.org
Reviewed-by: ningxin hu ningxin.hu@intel.com
Reviewed-by: Weizhong Xia weizhong@google.com
Commit-Queue: Austin Sullivan asully@chromium.org
Reviewed-by: Alex Gough ajgo@chromium.org
Cr-Commit-Position: refs/heads/main@{#1382157}