roll out s/IF_FALSE/UNLESS/ for ET_LOG macros

[swolchok]

Separating the big find/replace for the previous diff to ease review; this is just the result of

fastmod "(ET_LOG_(MSG_)?AND_RETURN_)IF_FALSE" "\${1}UNLESS"

with a manual revert in tensor_util.h for the two backward-compatibility defines.

[swolchok]

Stack from ghstack (oldest at bottom):

• -> roll out s/IF_FALSE/UNLESS/ for ET_LOG macros #8318
• s/IF_FALSE/UNLESS/ in ET_LOG macro names #8317
• Use tensor_shape_to_c_string for error in check_glu_args #8316

[pytorch-bot]

🔗 Helpful Links

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❌ 7 New Failures

As of commit 69fa2ab with merge base 0beadcc ():

NEW FAILURES - The following jobs have failed:

• Lint / lintrunner / linux-job (gh)
  >>> Lint for install_executorch.py:
• pull / test-binary-size-linux / linux-job (gh)
  /pytorch/executorch/kernels/portable/cpu/util/activation_ops_util.cpp:54:14: error: unused variable 'in_shape_str' [-Werror,-Wunused-variable]
• pull / test-binary-size-linux-gcc / linux-job (gh)
  /pytorch/executorch/kernels/portable/cpu/util/activation_ops_util.cpp:54:14: error: variable 'in_shape_str' set but not used [-Werror=unused-but-set-variable]
• pull / test-llama-runner-qnn-linux (fp32, qnn_16a16w, qnn) / linux-job (gh)
  undefined reference to executorch::runtime::tensor_shape_to_c_string(executorch::runtime::Span)'`
• pull / test-llama-runner-qnn-linux (fp32, qnn_8a8w, qnn) / linux-job (gh)
  undefined reference to executorch::runtime::tensor_shape_to_c_string(executorch::runtime::Span)'`
• pull / test-selective-build-linux / linux-job (gh)
  undefined reference to executorch::runtime::tensor_shape_to_c_string(executorch::runtime::Span)'`
• pull / test-static-llama-qnn-linux / linux-job (gh)
  undefined reference to executorch::runtime::tensor_shape_to_c_string(executorch::runtime::Span)'`

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[swolchok]

ping @mergennachin @dbort @SS-JIA