python3-autotools.bbclass: remove unused class

sdbusplus was the only user of this bbclass and now that is moved
to meson.  Drop unused class.

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: Icfda5899c097c8143b3dc96c159cbca8a43f8f1f
diff --git a/classes/obmc-phosphor-python3-autotools.bbclass b/classes/obmc-phosphor-python3-autotools.bbclass
deleted file mode 100644
index 89a884a..0000000
--- a/classes/obmc-phosphor-python3-autotools.bbclass
+++ /dev/null
@@ -1,38 +0,0 @@
-inherit obmc-phosphor-utils
-inherit python3native
-
-OBMC_PYTHON_EXE="python3"
-OBMC_PYTHON_EXE_class-native="nativepython3"
-
-DEPENDS += "python3"
-
-export BUILD_SYS
-export HOST_SYS
-export STAGING_INCDIR
-export STAGING_LIBDIR
-
-PYTHON_AUTOTOOLS_PACKAGE ?= "${PN}"
-
-python() {
-    for pkg in listvar_to_list(d, 'PYTHON_AUTOTOOLS_PACKAGE'):
-        set_append(d, 'FILES_%s' % pkg,
-                   d.getVar('PYTHON_SITEPACKAGES_DIR', True))
-}
-
-# python-setuptools does some mangling of the #! in any scripts it installs,
-# which has been reported for years at pypa/setuptools#494.  OE has
-# workarounds in distutils3.bbclass, but we cannot inherit that here because
-# it conflicts with autotools.bbclass.  Port the un-mangling code here.
-#
-# This finds any ${PYTHON} executable path that got put into the scripts
-# and reverts it back to "/usr/bin/env python3".  It also reverts any full
-# ${STAGING_BINDIR_NATIVE} path back to "/usr/bin".
-#
-do_install_append() {
-    for i in ${D}${bindir}/* ${D}${sbindir}/*; do
-        if [ -f "$i" ]; then
-            sed -i -e s:${PYTHON}:${USRBINPATH}/env\ ${OBMC_PYTHON_EXE}:g $i
-            sed -i -e s:${STAGING_BINDIR_NATIVE}:${bindir}:g $i
-        fi
-    done
-}