Auto merge of #57125 - doitian:inconsistent-clone-doc, r=bluss
Auto merge of #57125 - doitian:inconsistent-clone-doc, r=bluss

Fix inconsistent Clone documentation.

Now, arrays of any size Clone if the element type is Clone. So remove the
the document that uses this as an example.

refs #57123

aidancully/rust,graydon/rust,graydon/rust,aidancully/rust,aidancully/rust,aidancully/rust,aidancully/rust,graydon/rust,aidancully/rust,graydon/rust,graydon/rust,graydon/rust