Commit741ed20

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C comment: adjust statistics mention

No need to talk about the statistics collector.Discussion:https://postgr.es/m/8a82417cdb6e8038fe276d4960e3207a@oss.nttdata.comAuthor: Álvaro HerreraBackpatch-through: master

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Original file line number	Diff line number	Diff line change
`@@ -178,7 +178,7 @@ DECLARE_FOREIGN_KEY((starelid, staattnum), pg_attribute, (attrelid, attnum));`
`178`	`178`	`* the K most common non-null values appearing in the column, and stanumbers`
`179`	`179`	`* contains their frequencies (fractions of total row count). The values`
`180`	`180`	`* shall be ordered in decreasing frequency. Note that since the arrays are`
`181`		`- * variable-size, K may be chosenby the statistics collector. Values should`
	`181`	`+ * variable-size, K may be chosenmay be chosen at ANALYZE time. Values should`
`182`	`182`	`* not appear in MCV unless they have been observed to occur more than once;`
`183`	`183`	`* a unique column will have no MCV slot.`
`184`	`184`	`*/`

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