cleanup ja translation

localizations/ja_JP.json

@@ -81,17 +81,14 @@
     "Slerp angle": "Slerp angle",
     "Is negative text": "Is negative text",
     "Script": "スクリプト",
-    "nai2SD Prompt Converter": "nai2SD Prompt Converter",
     "Prompt matrix": "Prompt matrix",
     "Prompts from file or textbox": "Prompts from file or textbox",
     "Save steps of the sampling process to files": "Save steps of the sampling process to files",
     "X/Y plot": "X/Y plot",
-    "Prompts": "プロンプト",
-    "convert": "convert",
-    "Converted Prompts": "Converted Prompts",
     "Put variable parts at start of prompt": "Put variable parts at start of prompt",
     "Show Textbox": "Show Textbox",
     "File with inputs": "File with inputs",
+    "Prompts": "プロンプト",
     "Save images to path": "Save images to path",
     "X type": "X軸の種類",
     "Nothing": "なし",