The riscv64 qemu-8.0 data were not updated to the release version. Drop
them instead of trying to do archaeology.

They are not used in any 'qemuxmlconftest' case.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
---
 .../qemu_8.0.0-tcg-virt.riscv64.xml           |   174 -
 .../qemu_8.0.0-virt.riscv64.xml               |   177 -
 .../caps_8.0.0_riscv64.replies                | 27913 ----------------
 .../caps_8.0.0_riscv64.xml                    |   157 -
 4 files changed, 28421 deletions(-)
 delete mode 100644 tests/domaincapsdata/qemu_8.0.0-tcg-virt.riscv64.xml
 delete mode 100644 tests/domaincapsdata/qemu_8.0.0-virt.riscv64.xml
 delete mode 100644 tests/qemucapabilitiesdata/caps_8.0.0_riscv64.replies
 delete mode 100644 tests/qemucapabilitiesdata/caps_8.0.0_riscv64.xml

[...]

diff --git a/tests/qemucapabilitiesdata/caps_8.0.0_riscv64.replies b/tests/qemucapabilitiesdata/caps_8.0.0_riscv64.replies
deleted file mode 100644
index 50e1fe5835..0000000000
--- a/tests/qemucapabilitiesdata/caps_8.0.0_riscv64.replies
+++ /dev/null
@@ -1,27913 +0,0 @@
-{
-  "execute": "qmp_capabilities",
-  "id": "libvirt-1"
-}
-
-{
-  "return": {},
-  "id": "libvirt-1"
-}
-
-{
-  "execute": "query-version",
-  "id": "libvirt-2"
-}
-
-{
-  "return": {
-    "qemu": {
-      "micro": 50,
-      "minor": 2,
-      "major": 7
-    },
-    "package": "v7.2.0-333-g222059a0fc"
-  },

[...]