refactor: remove duplicate entries in diagnosticMessages.json

Author: hi-ogawa

src/compiler/diagnosticMessages.json

@@ -3943,10 +3943,6 @@
         "category": "Message",
         "code": 6002
     },
-    "Specify the location where debugger should locate map files instead of generated locations.": {
-        "category": "Message",
-        "code": 6003
-    },
     "Specify the location where debugger should locate TypeScript files instead of source locations.": {
         "category": "Message",
         "code": 6004
@@ -4513,10 +4509,6 @@
         "category": "Message",
         "code": 6163
     },
-    "Emit a UTF-8 Byte Order Mark (BOM) in the beginning of output files.": {
-        "category": "Message",
-        "code": 6164
-    },
     "Do not truncate error messages.": {
         "category": "Message",
         "code": 6165