fx quant: remove matching hack for binary qhandler

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Stack from ghstack:

• fx quant: refactor observer insertion #57519 [not ready for review][rfc] fx quant: refactor observer insertion
• fx quant: remove matching hack for binary qhandler #57470 fx quant: remove matching hack for binary qhandler

Summary:

Removes the earlier hack of matching patterns originally matched
to BinaryOpQuantizeHandler to switch to CopyHandler. After this PR,
each pattern can only be matched to one type of QuantizeHandler or
to nothing.

Test Plan:

python test/test_quantization.py TestQuantizeFx
python test/test_quantization.py TestQuantizeFxOps

Reviewers:

Subscribers:

Tasks:

Tags:

Differential Revision: D28152909

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💊 CI failures summary and remediations

As of commit d15116f (more details on the Dr. CI page):

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• 2/2 failures possibly* introduced in this PR
  • 1/2 non-scanned failure(s)

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🕵️ 1 new failure recognized by patterns

The following CI failures do not appear to be due to upstream breakages:

pytorch_linux_xenial_py3_clang5_asan_test1 (1/1)

Step: "Run tests" (full log | diagnosis details | 🔁 rerun)

May 03 17:13:12 SUMMARY: UndefinedBehaviorSanit.../jenkins/workspace/aten/src/ATen/Utils.cpp:20:3 in

May 03 17:13:12     #7 0x555afb6dc51b in PyEval_EvalCode /tmp/build/80754af9/python_1614113050744/work/Python/ceval.c:731
May 03 17:13:12     #8 0x555afb75c5e3 in run_mod /tmp/build/80754af9/python_1614113050744/work/Python/pythonrun.c:1025
May 03 17:13:12     #9 0x555afb75c67c in PyRun_StringFlags /tmp/build/80754af9/python_1614113050744/work/Python/pythonrun.c:949
May 03 17:13:12     #10 0x555afb75c6de in PyRun_SimpleStringFlags /tmp/build/80754af9/python_1614113050744/work/Python/pythonrun.c:445
May 03 17:13:12     #11 0x555afb7604e2 in run_command /tmp/build/80754af9/python_1614113050744/work/Modules/main.c:301
May 03 17:13:12     #12 0x555afb7604e2 in Py_Main /tmp/build/80754af9/python_1614113050744/work/Modules/main.c:749
May 03 17:13:12     #13 0x555afb62ab0d in main /tmp/build/80754af9/python_1614113050744/work/Programs/python.c:69
May 03 17:13:12     #14 0x7f48d99c283f in __libc_start_main /build/glibc-e6zv40/glibc-2.23/csu/../csu/libc-start.c:291
May 03 17:13:12     #15 0x555afb709d6f in _start /home/rdonnelly/mc/conda-bld/compilers_linux-64_1534865402226/work/.build/src/glibc-2.12.2/csu/../sysdeps/x86_64/elf/start.S:103
May 03 17:13:12 
May 03 17:13:12 SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /var/lib/jenkins/workspace/aten/src/ATen/Utils.cpp:20:3 in 
May 03 17:13:12 + retcode=1
May 03 17:13:12 + set -e
May 03 17:13:12 + return 1
May 03 17:13:12 + [[ pytorch-linux-xenial-py3-clang5-asan-test1 == *-NO_AVX-* ]]
May 03 17:13:12 + [[ pytorch-linux-xenial-py3-clang5-asan-test1 == *-NO_AVX2-* ]]
May 03 17:13:12 + IN_PULL_REQUEST=https://github.com/pytorch/pytorch/pull/57470
May 03 17:13:12 + '[' -n https://github.com/pytorch/pytorch/pull/57470 ']'
May 03 17:13:12 + [[ pytorch-linux-xenial-py3-clang5-asan-test1 != *coverage* ]]
May 03 17:13:12 ++ mktemp
May 03 17:13:12 + DETERMINE_FROM=/tmp/tmp.YfsHBRhZ99

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1 job timed out:

• pytorch_linux_xenial_py3_clang5_asan_test1

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This pull request has been merged in 7c3a30f.