package/cpp-httplib: remove stale IGNORE_CVES

Buildroot commit [1] removed the stale cpp-httplib patched but the
IGNORE_CVES entry wasn't removed.

[1] 8988278241 package/cpp-httplib: remove stale patch

Signed-off-by: Thomas Perale <thomas.perale@mind.be>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/cpp-httplib/cpp-httplib.mk

@@ -13,9 +13,6 @@ CPP_HTTPLIB_INSTALL_STAGING = YES
 CPP_HTTPLIB_CONF_OPTS = \
 	-Dtest=false
 
-# 0001-merge-commit-from-fork.patch
-CPP_HTTPLIB_IGNORE_CVES += CVE-2025-46728
-
 ifeq ($(BR2_PACKAGE_CPP_HTTPLIB_COMPILE),y)
 CPP_HTTPLIB_CONF_OPTS += -Dcompile=true
 CPP_HTTPLIB_DEPENDENCIES += host-python3