meta-ampere: bmcweb: remove defaulted option

bmcweb already defaults to having the insecure options disabled, so
there is no need to additionally specify them in a bbappend.

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: Icdee90ee62b0cf6adeeb63fabdee1c852cb9e26d
diff --git a/meta-ampere/meta-common/recipes-phosphor/interfaces/bmcweb_%.bbappend b/meta-ampere/meta-common/recipes-phosphor/interfaces/bmcweb_%.bbappend
index 024266a..3030674 100644
--- a/meta-ampere/meta-common/recipes-phosphor/interfaces/bmcweb_%.bbappend
+++ b/meta-ampere/meta-common/recipes-phosphor/interfaces/bmcweb_%.bbappend
@@ -1,7 +1,6 @@
 FILESEXTRAPATHS:append := "${THISDIR}/${PN}:"
 
 EXTRA_OEMESON:append = " \
-     -Dinsecure-tftp-update=disabled \
      -Dbmcweb-logging=enabled \
      -Dredfish-bmc-journal=enabled \
      -Dhttp-body-limit=65 \