fix: remove Chinese tags and convert spaces to hyphens

Response to review: tags must be lowercase English with hyphens only.
No Chinese characters, no spaces.
Schema rule (PR #175/#176/#178 lineage).

Author: firstdata-dev

firstdata/sources/china/health/china-cdc.json

@@ -22,18 +22,12 @@
   "tags": [
     "china",
     "cdc",
-    "disease control",
+    "disease-control",
     "epidemiology",
-    "infectious disease",
-    "public health",
+    "infectious-disease",
+    "public-health",
     "vaccination",
-    "surveillance",
-    "疾控中心",
-    "传染病",
-    "疫情监测",
-    "公共卫生",
-    "疫苗接种",
-    "慢性病"
+    "surveillance"
   ],
   "data_content": {
     "en": [

firstdata/sources/china/resources/china-cnooc.json

@@ -22,19 +22,12 @@
   "tags": [
     "china",
     "cnooc",
-    "offshore oil",
-    "natural gas",
+    "offshore-oil",
+    "natural-gas",
     "lng",
     "deepwater",
-    "marine energy",
-    "state-owned enterprise",
-    "中国海油",
-    "中海油",
-    "海上石油",
-    "天然气",
-    "液化天然气",
-    "深水",
-    "央企"
+    "marine-energy",
+    "state-owned-enterprise"
   ],
   "data_content": {
     "en": [

firstdata/sources/china/resources/china-cnpc.json

@@ -26,16 +26,10 @@
     "oil",
     "gas",
     "petroleum",
-    "crude oil",
-    "natural gas",
+    "crude-oil",
+    "natural-gas",
     "energy",
-    "state-owned enterprise",
-    "中国石油",
-    "中石油",
-    "原油",
-    "天然气",
-    "油气",
-    "央企"
+    "state-owned-enterprise"
   ],
   "data_content": {
     "en": [

firstdata/sources/china/resources/china-sinopec.json

@@ -27,13 +27,7 @@
     "refining",
     "chemical",
     "energy",
-    "state-owned enterprise",
-    "中国石化",
-    "中石化",
-    "石油化工",
-    "炼化",
-    "化工",
-    "央企"
+    "state-owned-enterprise"
   ],
   "data_content": {
     "en": [