ppc: Drop t4qds and b4860qds references

These boards have been removed. Drop the config file and other references.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/.azure-pipelines.yml b/.azure-pipelines.yml
index 0cf7302..15507a7 100644
--- a/.azure-pipelines.yml
+++ b/.azure-pipelines.yml
@@ -413,11 +413,11 @@
         non_fsl_ppc:
           BUILDMAN: "powerpc -x freescale"
         mpc85xx_freescale:
-          BUILDMAN: "mpc85xx&freescale -x t208xrdb -x t4qds -x t102* -x p1_p2_rdb_pc -x p1010rdb -x corenet_ds -x b4860qds -x bsc91*"
+          BUILDMAN: "mpc85xx&freescale -x t208xrdb -x t102* -x p1_p2_rdb_pc -x p1010rdb -x corenet_ds -x bsc91*"
         t208xrdb_corenet_ds:
           BUILDMAN: "t208xrdb corenet_ds"
         fsl_ppc:
-          BUILDMAN: "t4qds b4860qds mpc83xx&freescale"
+          BUILDMAN: "mpc83xx&freescale"
         t102x:
           BUILDMAN: "t102*"
         p1_p2_rdb_pc: