docs(protocol): 删除 runtime-capabilities 页 —— 整页教已于 #3605 删除的 ObjectStackCapabilities (#4781) #12357

Job	Run time
filter	45s
Build Docs	3m 13s
Test Core	3s
Dogfood Regression Gate	3s
Console Pin Gate	-1s
Dogfood Regression Gate (${{ matrix.shard }}/2)	-1s
Temporal Conformance (live PG + MySQL)	-1s
Dogfood Verify CLI	-1s
Test Core (${{ matrix.shard }}/2)	-1s
Build Core	-1s
	3m 58s

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