UI: Clear locales constant in czech language

ui-ngx/src/assets/locale/locale.constant-cs_CZ.json

@@ -1937,25 +1937,6 @@
         }
     },
     "language": {
-        "language": "Jazyk",
-        "locales": {
-            "de_DE": "Deutsch",
-            "fr_FR": "Français",
-            "zh_CN": "简体中文",
-            "zh_TW": "繁體中文",
-            "en_US": "English",
-            "it_IT": "Italiano",
-            "ko_KR": "한글",
-            "ru_RU": "Русский",
-            "es_ES": "Español",
-            "ja_JA": "日本語",
-            "tr_TR": "Türkçe",
-            "fa_IR": "فارسي",
-            "uk_UA": "Українська",
-            "cs_CZ": "Česky",
-            "el_GR": "Ελληνικά",
-            "ro_RO": "Română",
-            "lv_LV": "Latviešu"
-        }
+        "language": "Jazyk"
     }
 }