[Lang] Deprecate ti.experimental.real_func #18824

Job	Run time
Show Environment Variables	9s
Check files	8s
Check Static Analyzer	10m 48s
Build and Test (Docs)	1m 9s
Build and Test (AMDGPU)	2m 59s
Build and Test macos (CPU) (macos-10.15, 3.7, ON, cpu,vulkan)	10m 1s
Build and Test (GPU) (sm70, driver470)	1s
Build and Test (GPU) (sm70, driver510)	10m 25s
Build and Test (manylinux2014)	3m 27s
Build and Test (GPU) (not sm70, driver470)	10m 59s
Build and Test (Apple M1) (macos-latest, 3.8)	11m 2s
Build and Test (GPU) (not sm70, driver510)	10m 54s
Build and Test Windows (sm70)	5s
Build iOS C-API Static Library	4m 28s
Build and Test Windows (not sm70)	9m 15s
AOT Build and Test Android Apps	7m 48s
AOT Build and Test Android Headless Demos	2m 23s
AOT Build and Test Android Unity Examples	4m 29s
AOT Build and Test (GPU) (self-hosted, cuda, vulkan, cn, driver470)	1s
AOT Build and Test (GPU) (self-hosted, cuda, vulkan, cn, driver510)	1m 41s
	1h 42m 12s

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