fx quant: clean up functions in _generate_qconfig_map

[vkuzo]

Stack from ghstack:

• fx quant: more typehints, part 3 #48794 fx quant: more typehints, part 3
• fx quant: more typehints, part 2 #48792 fx quant: more typehints, part 2
• fx quant: add more typehints #48774 fx quant: add more typehints
• fx quant: clean up functions in _prepare #48773 fx quant: clean up functions in _prepare
• fx quant: clean up functions in _generate_qconfig_map #48772 fx quant: clean up functions in _generate_qconfig_map

Summary:

Makes util functions in _generate_qconfig_map have no side
effects, all dependencies are now in arguments.

Test Plan:

python test/test_quantization.py TestQuantizeFx

Reviewers:

Subscribers:

Tasks:

Tags:

Differential Revision: D25295837

[dr-ci]

💊 CI failures summary and remediations

As of commit dab13b4 (more details on the Dr. CI page):

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• 1/1 failures introduced in this PR

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🕵️ 1 new failure recognized by patterns

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

pytorch_windows_vs2019_py36_cuda10.1_test1 (1/1)

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

[ FAILED ] MathKernelTest.NativeLayerNorm

Expected: true 
[  FAILED  ] MathKernelTest.NativeLayerNorm (6 ms) 
[ RUN      ] MathKernelTest.Addr 
[       OK ] MathKernelTest.Addr (1 ms) 
[----------] 3 tests from MathKernelTest (15 ms total) 
 
[----------] Global test environment tear-down 
[==========] 3 tests from 1 test case ran. (15 ms total) 
[  PASSED  ] 2 tests. 
[  FAILED  ] 1 test, listed below: 
[  FAILED  ] MathKernelTest.NativeLayerNorm 
 
 1 FAILED TEST 
"math_kernel_test" failed with exit code 1 
+ cleanup
+ retcode=1
+ set +x

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This pull request has been merged in 536352e.