Drop beta suffix from images

msvsphere-9.conf

@@ -20,7 +20,7 @@ extra_isos = {
     "BaseOS": [{
         "include_variants": ["AppStream", "Extras"],
         #"filename": "{compose_id}-{arch}-{disc_type}{disc_num}{suffix}",
-        "filename": "{release_short}-9.3-beta-{arch}-{disc_type}{suffix}",
+        "filename": "{release_short}-9.3-{arch}-{disc_type}{suffix}",
         "skip_src": True,
         "arches": ['x86_64'],
         "failable_arches": ['i386'],
@@ -39,7 +39,7 @@ extra_isos = {
     }],
     "Minimal": [{
         "include_variants": [],
-        "filename": "{release_short}-9.3-beta-{arch}-minimal{suffix}",
+        "filename": "{release_short}-9.3-{arch}-minimal{suffix}",
         "skip_src": True,
         "arches": ['x86_64'],
         "failable_arches": ['i386'],
@@ -57,7 +57,7 @@ extra_isos = {
     }],
     "Server": [{
         "include_variants": [],
-        "filename": "{release_short}-9.3-beta-{arch}-server{suffix}",
+        "filename": "{release_short}-9.3-{arch}-server{suffix}",
         "skip_src": True,
         "arches": ['x86_64'],
         "failable_arches": ['i386'],