Remove unused orm function

src/db/orm.js

@@ -104,21 +104,6 @@ class From {
 		return r
 	}
 
-	/**
-	 * @template {Col} Select
-	 * @param {string} what
-	 * @param {Select} col
-	 */
-	pluckAs(what, col) {
-		/** @type {Pluck<Table, Select>} */
-		// @ts-ignore
-		const r = this
-		r.cols = [`${what} AS ${col}`]
-		this.makeColsSafe = false
-		r.isPluck = true
-		return r
-	}
-
 	/**
 	 * @param {string} sql
 	 */