ref-manual/classes.rst: drop obsolete QA errors

Drop after commit 068d38214307 ("insane: remove obsolete QA errors")
from OE-Core.

(From yocto-docs rev: 698253a6c95beb1219b7fed8a90d02fb6ddc5111)

Signed-off-by: Antonin Godard <antonin.godard@bootlin.com>
(cherry picked from commit e5667ae2da1805327ecfff68300c0c460da49b91)
Signed-off-by: Antonin Godard <antonin.godard@bootlin.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>

documentation/migration-guides/migration-3.2.rst

@@ -166,7 +166,7 @@ be indicators of genuine underlying problems and are therefore now treated as
 errors:
 
 - :ref:`already-stripped <qa-check-already-stripped>`
-- :ref:`compile-host-path <qa-check-compile-host-path>`
+- ``compile-host-path``
 - :ref:`installed-vs-shipped <qa-check-installed-vs-shipped>`
 - :ref:`ldflags <qa-check-ldflags>`
 - :ref:`pn-overrides <qa-check-pn-overrides>`

documentation/ref-manual/classes.rst

@@ -1390,11 +1390,6 @@ The tests you can list with the :term:`WARN_QA` and
    directive, that the recipe also inherits the :ref:`ref-classes-gettext`
    class to ensure that gettext is available during the build.
 
--  ``compile-host-path:`` Checks the
-   :ref:`ref-tasks-compile` log for indications that
-   paths to locations on the build host were used. Using such paths
-   might result in host contamination of the build output.
-
 -  ``debug-deps:`` Checks that all packages except ``-dbg`` packages
    do not depend on ``-dbg`` packages, which would cause a packaging
    bug.
@@ -1462,11 +1457,6 @@ The tests you can list with the :term:`WARN_QA` and
    being created due to being marked with a license that is in
    :term:`INCOMPATIBLE_LICENSE`.
 
--  ``install-host-path:`` Checks the
-   :ref:`ref-tasks-install` log for indications that
-   paths to locations on the build host were used. Using such paths
-   might result in host contamination of the build output.
-
 -  ``installed-vs-shipped:`` Reports when files have been installed
    within :ref:`ref-tasks-install` but have not been included in any package by
    way of the :term:`FILES` variable. Files that do not
@@ -1595,9 +1585,6 @@ The tests you can list with the :term:`WARN_QA` and
    in a packaged script is not longer than 128 characters, which can cause
    an error at runtime depending on the operating system.
 
--  ``split-strip:`` Reports that splitting or stripping debug symbols
-   from binaries has failed.
-
 -  ``staticdev:`` Checks for static library files (``*.a``) in
    non-``staticdev`` packages.