chore(WebServer): remove unused symbol save i18n keys

saved_to_file, save_failed, save_file_error are no longer referenced
after switching to browser download in 402df2b.

Signed-off-by: VIFEX <vifextech@foxmail.com>

Author: FASTSHIFT

Tools/WebServer/static/js/features/symbols.js

@@ -1030,7 +1030,7 @@ function saveSymbolData(symName) {
 
   const hexDump = contentDiv.querySelector('.sym-hex-dump');
   if (!hexDump) {
-    log.error(t('symbols.no_hex_data', 'No hex data to write'));
+    log.error('No hex data to write');
     return;
   }
 
@@ -1043,7 +1043,7 @@ function saveSymbolData(symName) {
     .trim();
 
   if (!hexBytes || !/^[0-9a-fA-F]+$/.test(hexBytes)) {
-    log.error(t('symbols.invalid_hex', 'Invalid hex data'));
+    log.error('Invalid hex data');
     return;
   }
 
@@ -1062,13 +1062,7 @@ function saveSymbolData(symName) {
   a.download = fileName;
   a.click();
   URL.revokeObjectURL(url);
-  log.success(
-    t(
-      'symbols.saved_to_file',
-      `Saved ${bytes.length} bytes: ${fileName}`,
-      { size: bytes.length, path: fileName },
-    ),
-  );
+  log.success(`Saved ${bytes.length} bytes: ${fileName}`);
 }
 
 /* ===========================

Tools/WebServer/static/js/locales/en.js

@@ -146,9 +146,6 @@ window.i18nResources['en'] = {
       reading_progress: 'Reading {{name}} {{percent}}%',
       loading_symbol: 'Loading {{name}}...',
       save_to_file: 'Save',
-      saved_to_file: 'Saved {{size}} bytes to: {{path}}',
-      save_failed: 'Failed to save: {{error}}',
-      save_file_error: 'Failed to save file: {{error}}',
     },
 
     // Inline value editing

Tools/WebServer/static/js/locales/zh-CN.js

@@ -146,9 +146,6 @@ window.i18nResources['zh-CN'] = {
       reading_progress: '正在读取 {{name}} {{percent}}%',
       loading_symbol: '正在加载 {{name}}...',
       save_to_file: '保存',
-      saved_to_file: '已保存 {{size}} 字节到: {{path}}',
-      save_failed: '保存失败: {{error}}',
-      save_file_error: '保存文件失败: {{error}}',
     },
 
     // 内联值编辑

Tools/WebServer/static/js/locales/zh-TW.js

@@ -146,9 +146,6 @@ window.i18nResources['zh-TW'] = {
       reading_progress: '正在讀取 {{name}} {{percent}}%',
       loading_symbol: '正在載入 {{name}}...',
       save_to_file: '儲存',
-      saved_to_file: '已儲存 {{size}} 位元組到: {{path}}',
-      save_failed: '儲存失敗: {{error}}',
-      save_file_error: '儲存檔案失敗: {{error}}',
     },
 
     // 內聯值編輯