chore(linter): remove stray duplicate configs with trailing spaces

- Remove '.clang-format ' and '.clang-tidy ' (trailing-space filenames)
- Keep canonical .clang-format (LLVM) and .clang-tidy (Phase 1 rules)

.clang-format

@@ -1,16 +0,0 @@
-# 基於 Google 風格但較寬鬆，適合舊代碼
-BasedOnStyle: Google
-IndentWidth: 4
-TabWidth: 4
-UseTab: Never
-ColumnLimit: 100
-AccessModifierOffset: -2
-AlignConsecutiveAssignments: false
-AlignConsecutiveDeclarations: false
-AllowShortFunctionsOnASingleLine: Empty
-AllowShortIfStatementsOnASingleLine: false
-AllowShortLoopsOnASingleLine: false
-BreakBeforeBraces: Attach
-IndentCaseLabels: true
-SpacesBeforeTrailingComments: 2
-Standard: Cpp03  # 針對舊代碼

.clang-tidy

@@ -1,26 +0,0 @@
-# 階段一：只檢查最關鍵的錯誤，適合舊代碼
-Checks: '-*,
-         clang-analyzer-core.NullDereference,
-         clang-analyzer-core.DivideZero,
-         clang-analyzer-core.UndefinedBinaryOperatorResult,
-         bugprone-argument-comment,
-         bugprone-bool-pointer-implicit-conversion,
-         bugprone-dangling-handle,
-         bugprone-use-after-move,
-         readability-braces-around-statements,
-         readability-container-size-empty'
-
-# 不將警告視為錯誤（階段一）
-WarningsAsErrors: ''
-
-# 包含所有標頭檔
-HeaderFilterRegex: '.*'
-
-# 分析設定
-AnalyzeTemporaryDtors: false
-FormatStyle: none
-
-# 檢查參數
-CheckOptions:
-  - key: readability-braces-around-statements.ShortStatementLines
-    value: '2'