[dv/common] Remove assert cov for a/d_param

a/d_param is tied to 0 as we don't support them.
Remove related assert cover

Signed-off-by: Weicai Yang <weicai@google.com>
diff --git a/hw/ip/tlul/rtl/tlul_assert.sv b/hw/ip/tlul/rtl/tlul_assert.sv
index 2488697..53b8408 100644
--- a/hw/ip/tlul/rtl/tlul_assert.sv
+++ b/hw/ip/tlul/rtl/tlul_assert.sv
@@ -343,7 +343,6 @@
     `TLUL_COVER(dValidNotAccepted)
     `TLUL_D_CHAN_CONTENT_CHANGED_WO_ACCEPTED(data)
     `TLUL_D_CHAN_CONTENT_CHANGED_WO_ACCEPTED(opcode)
-    `TLUL_D_CHAN_CONTENT_CHANGED_WO_ACCEPTED(param)
     `TLUL_D_CHAN_CONTENT_CHANGED_WO_ACCEPTED(size)
     `TLUL_D_CHAN_CONTENT_CHANGED_WO_ACCEPTED(source)
     `TLUL_D_CHAN_CONTENT_CHANGED_WO_ACCEPTED(sink)
@@ -356,7 +355,6 @@
     `TLUL_A_CHAN_CONTENT_CHANGED_WO_ACCEPTED(address)
     `TLUL_A_CHAN_CONTENT_CHANGED_WO_ACCEPTED(data)
     `TLUL_A_CHAN_CONTENT_CHANGED_WO_ACCEPTED(opcode)
-    `TLUL_A_CHAN_CONTENT_CHANGED_WO_ACCEPTED(param)
     `TLUL_A_CHAN_CONTENT_CHANGED_WO_ACCEPTED(size)
     `TLUL_A_CHAN_CONTENT_CHANGED_WO_ACCEPTED(source)
     `TLUL_A_CHAN_CONTENT_CHANGED_WO_ACCEPTED(mask)