[CPU] remove extra convert for fp16 #10382

Job	Run time
Smart_CI	23s
Docker	1m 6s
Build / Build	11m 42s
Conformance (OP)	8m 54s
Conformance (API)	2m 6s
OpenVINO JS API	0s
dGPU Tests	0s
iGPU Tests	0s
NVIDIA plugin	0s
Debian Packages / Debian Packages	2m 43s
Samples / Samples	6m 16s
C++ unit tests / C++ unit tests	1m 32s
ONNX Runtime Integration / ONNX Runtime Integration	6m 32s
CPU functional tests / CPU functional tests	19m 47s
ONNX Models Tests / ONNX Models tests	20m 0s
OpenVINO tokenizers extension / OpenVINO tokenizers extension	3m 40s
Python unit tests / Python unit tests	12m 29s
Pytorch Layer Tests / PyTorch Layer Tests	25m 21s
PyTorch Models Nightly Scope1 tests	0s
PyTorch Models Nightly Scope2 tests	0s
TensorFlow Hugging Face Models tests	0s
TensorFlow TF Hub Models tests	0s
PyTorch Models tests / PyTorch Models tests	32m 43s
TensorFlow Layer Tests / TensorFlow Layer Tests	11m 36s
TensorFlow Models tests / TensorFlow Models tests	11m 33s
JAX/Flax Models tests / JAX/Flax Models tests	1m 49s
ci/gha_overall_status	1s
	3h 0m 13s

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