Add missing flag and clean up manifest.json

packages/icons/manifest.json

@@ -903,12 +903,6 @@
       "category": "Circular country flag",
       "keywords": ["Egypt"]
     },
-    {
-      "size": "24",
-      "name": "circle_flag_eh",
-      "category": "Circular country flag",
-      "keywords": ["Western Sahara"]
-    },
     {
       "size": "24",
       "name": "circle_flag_er",
@@ -1341,12 +1335,6 @@
       "category": "Circular country flag",
       "keywords": ["Montenegro"]
     },
-    {
-      "size": "24",
-      "name": "circle_flag_mf",
-      "category": "Circular country flag",
-      "keywords": ["Saint Martin (French part)"]
-    },
     {
       "size": "24",
       "name": "circle_flag_mg",
@@ -1689,24 +1677,12 @@
       "category": "Circular country flag",
       "keywords": ["Singapore"]
     },
-    {
-      "size": "24",
-      "name": "circle_flag_sh",
-      "category": "Circular country flag",
-      "keywords": ["Saint Helena, Ascension and Tristan da Cunha"]
-    },
     {
       "size": "24",
       "name": "circle_flag_si",
       "category": "Circular country flag",
       "keywords": ["Slovenia"]
     },
-    {
-      "size": "24",
-      "name": "circle_flag_sj",
-      "category": "Circular country flag",
-      "keywords": ["Svalbard and Jan Mayen"]
-    },
     {
       "size": "24",
       "name": "circle_flag_sk",
@@ -1773,12 +1749,6 @@
       "category": "Circular country flag",
       "keywords": ["Syrian Arab Republic"]
     },
-    {
-      "size": "24",
-      "name": "circle_flag_sz",
-      "category": "Circular country flag",
-      "keywords": ["Eswatini"]
-    },
     {
       "size": "24",
       "name": "circle_flag_ta",
@@ -1905,12 +1875,6 @@
       "category": "Circular country flag",
       "keywords": ["Uzbekistan"]
     },
-    {
-      "size": "24",
-      "name": "circle_flag_va",
-      "category": "Circular country flag",
-      "keywords": ["Holy See"]
-    },
     {
       "size": "24",
       "name": "circle_flag_vc",