openqa/dispatcher: drop old images from images.json.extraarches

This just matches the updates to the default WANTED dict in
fedora_openqa - removing various old images that aren't produced
any more (Workstation netinst, Atomic Host, and all i386 images).

Signed-off-by: Adam Williamson <awilliam@redhat.com>

roles/openqa/dispatcher/files/images.json.extraarches

@@ -17,24 +17,6 @@
         },
         "score": 10
     },
-    {
-        "match": {
-            "subvariant": "Server",
-            "type": "boot",
-            "format": "iso",
-            "arch": "i386"
-        },
-        "score": 6
-    },
-    {
-        "match": {
-            "subvariant": "Server",
-            "type": "dvd",
-            "format": "iso",
-            "arch": "i386"
-        },
-        "score": 10
-    },
     {
         "match": {
             "subvariant": "Everything",
@@ -44,15 +26,6 @@
         },
         "score": 8
     },
-    {
-        "match": {
-            "subvariant": "Everything",
-            "type": "boot",
-            "format": "iso",
-            "arch": "i386"
-        },
-        "score": 8
-    },
     {
         "match": {
             "subvariant": "Workstation",
@@ -61,44 +34,12 @@
             "arch": "x86_64"
         }
     },
-    {
-        "match": {
-            "subvariant": "Workstation",
-            "type": "boot",
-            "format": "iso",
-            "arch": "x86_64"
-        }
-    },
-    {
-        "match": {
-            "subvariant": "Workstation",
-            "type": "live",
-            "format": "iso",
-            "arch": "i386"
-        }
-    },
-    {
-        "match": {
-            "subvariant": "Workstation",
-            "type": "boot",
-            "format": "iso",
-            "arch": "i386"
-        }
-    },
-    {
-        "match": {
-            "subvariant": "KDE",
-            "type": "live",
-            "format": "iso",
-            "arch": "x86_64"
-        }
-    },
     {
         "match": {
             "subvariant": "KDE",
             "type": "live",
             "format": "iso",
-            "arch": "i386"
+            "arch": "x86_64"
         }
     },
     {
@@ -110,22 +51,6 @@
         },
         "dkboot": true
     },
-    {
-        "match": {
-            "subvariant": "Atomic",
-            "type": "dvd-ostree",
-            "format": "iso",
-            "arch": "x86_64"
-        }
-    },
-    {
-        "match": {
-            "subvariant": "AtomicHost",
-            "type": "dvd-ostree",
-            "format": "iso",
-            "arch": "x86_64"
-        }
-    },
     {
         "match": {
             "subvariant": "Silverblue",