Revert "Add explicit memory read observation for commandbuffers in a submission (#3239)" (#3249)
Revert "Add explicit memory read observation for commandbuffers in a submission (#3239)" (#3249)

This reverts commit 1e3bd20bae005bc5ca6d14b25ec13a31eea49c61.
google/agi,google/gapid,google/agi,google/agi,pmuetschard/gapid,google/gapid,google/agi,pmuetschard/gapid,google/gapid,google/gapid,pmuetschard/gapid,pmuetschard/gapid,google/gapid,pmuetschard/gapid,google/agi,pmuetschard/gapid,google/agi,pmuetschard/gapid,google/gapid,google/agi,pmuetschard/gapid,google/gapid,google/agi,google/gapid