[Doc] Remove the limit on kernel argument size

[lin-hitonami]

Issue: #

Brief Summary

🤖[deprecated] Generated by Copilot at b075fef

This pull request improves the documentation of various types of functions in Taichi by explaining the new features and limitations introduced in v1.7.0. It also warns the users about the possible performance and memory issues of using large arguments or return values in kernel_function.md.

Walkthrough

🤖[deprecated] Generated by Copilot at b075fef

• Warn users about the potential issues of passing or returning large values in kernel functions, and provide suggestions on how to avoid them (link, link)
• Simplify the documentation of Taichi inline and real functions by removing redundant information on the arguments (link, link)
• Update the table that compares Taichi kernel, Taichi inline function, and Taichi real function by removing the row on the maximum number of elements in arguments, since this limit has been removed in Taichi v1.7.0 (link)

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