Regenerate qsb files for auto and manual tests

They are now version 4, which is hopefully the final format,
relying on nothing but QDataStream.

Except for the qshader autotest which tests all the 1..4 versions
and so needs appropriate test data.

Also unifies the batch file naming.

Change-Id: Iec478be86d14dbec7ffb9d5f9b62c14fca5d7c9e
Reviewed-by: Eirik Aavitsland <eirik.aavitsland@qt.io>

tests/manual/rhi/shadowmap/buildshaders.sh

@@ -1,5 +0,0 @@
-#!/bin/sh
-qsb --glsl "120,300 es" --hlsl 50 --msl 12 shadowmap.vert -o shadowmap.vert.qsb
-qsb --glsl "120,300 es" --hlsl 50 --msl 12 shadowmap.frag -o shadowmap.frag.qsb
-qsb --glsl "120,300 es" --hlsl 50 --msl 12 main.vert -o main.vert.qsb
-qsb --glsl "120,300 es" --hlsl 50 --msl 12 main.frag -o main.frag.qsb