Remove old docs files (#7381)

* Remove old files; no longer generated.

* Update snapshots

* Update snapshots

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Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Co-authored-by: Jace Browning <jacebrowning@gmail.com>

docs/kcl-std/consts.md

@@ -1,33 +0,0 @@
----
-title: "KCL Constants"
-excerpt: "Documentation for the KCL constants."
-layout: manual
----
-
-## Table of Contents
-
-
-### `std`
-
-- [`END`](/docs/kcl/consts/std-END)
-- [`START`](/docs/kcl/consts/std-START)
-- [`X`](/docs/kcl/consts/std-X)
-- [`XY`](/docs/kcl/consts/std-XY)
-- [`XZ`](/docs/kcl/consts/std-XZ)
-- [`Y`](/docs/kcl/consts/std-Y)
-- [`YZ`](/docs/kcl/consts/std-YZ)
-- [`Z`](/docs/kcl/consts/std-Z)
-
-### `std::math`
-
-- [`E`](/docs/kcl/consts/std-math-E)
-- [`PI`](/docs/kcl/consts/std-math-PI)
-- [`TAU`](/docs/kcl/consts/std-math-TAU)
-
-### `std::turns`
-
-- [`HALF_TURN`](/docs/kcl/consts/std-turns-HALF_TURN)
-- [`QUARTER_TURN`](/docs/kcl/consts/std-turns-QUARTER_TURN)
-- [`THREE_QUARTER_TURN`](/docs/kcl/consts/std-turns-THREE_QUARTER_TURN)
-- [`ZERO`](/docs/kcl/consts/std-turns-ZERO)
-