[Lang] Deprecate ti.experimental.real_func #18823

Job	Run time
Check files	10s
Show Environment Variables	9s
Build and Test (Docs)	1m 3s
Build and Test (AMDGPU)	2m 38s
Build and Test macos (CPU) (macos-10.15, 3.7, ON, cpu,vulkan)	2m 53s
Build and Test (GPU) (sm70, driver470)	2m 53s
Build and Test (manylinux2014)	2m 52s
Build and Test (Apple M1) (macos-latest, 3.8)	2m 52s
Build and Test (GPU) (sm70, driver510)	2m 54s
Build and Test (GPU) (not sm70, driver470)	2m 51s
Build and Test Windows (sm70)	1s
Build and Test (GPU) (not sm70, driver510)	2m 51s
Check Static Analyzer	2m 42s
Build and Test Windows (not sm70)	2m 44s
Build iOS C-API Static Library	2m 56s
AOT Build and Test Android Apps	2m 53s
AOT Build and Test Android Headless Demos	2m 33s
AOT Build and Test Android Unity Examples	1m 42s
AOT Build and Test (GPU) (self-hosted, cuda, vulkan, cn, driver470)	1s
AOT Build and Test (GPU) (self-hosted, cuda, vulkan, cn, driver510)	1s
	39m 39s

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