remove .clang-format

we don't follow it

.clang-format

@@ -1,87 +0,0 @@
----
-Language: Cpp
-Standard: C++03
-AccessModifierOffset: -4
-AlignAfterOpenBracket: Align
-AlignConsecutiveAssignments: false
-AlignConsecutiveDeclarations: false
-AlignOperands:   true
-AlignTrailingComments: true
-AllowAllParametersOfDeclarationOnNextLine: true
-AllowShortBlocksOnASingleLine: false
-AllowShortCaseLabelsOnASingleLine: false
-AllowShortFunctionsOnASingleLine: Inline
-AllowShortIfStatementsOnASingleLine: false
-AllowShortLoopsOnASingleLine: false
-AlwaysBreakAfterDefinitionReturnType: None
-AlwaysBreakAfterReturnType: None
-AlwaysBreakBeforeMultilineStrings: false
-AlwaysBreakTemplateDeclarations: true
-BinPackArguments: true
-BinPackParameters: true
-BreakBeforeBinaryOperators: None
-BreakBeforeBraces: Custom
-BraceWrapping:
-  AfterControlStatement: MultiLine
-  AfterFunction: false
-  AfterEnum: false
-  AfterClass: false
-  AfterCaseLabel: false
-  AfterNamespace: false
-  AfterStruct: false
-  AfterUnion: false
-  AfterExternBlock: false
-  BeforeElse: false
-  BeforeWhile: false
-BreakBeforeTernaryOperators: false
-BreakConstructorInitializersBeforeComma: false
-ColumnLimit:     100
-CommentPragmas:  '^ (IWYU pragma:|NOLINT)'
-ConstructorInitializerAllOnOneLineOrOnePerLine: false
-ConstructorInitializerIndentWidth: 4
-ContinuationIndentWidth: 4
-Cpp11BracedListStyle: true
-DerivePointerAlignment: false
-DisableFormat:   false
-ForEachMacros:   []
-IncludeCategories:
-  - Regex:           '^<[Ww]indows\.h>$'
-    Priority:        1
-  - Regex:           '^<'
-    Priority:        2
-  - Regex:           '^"'
-    Priority:        3
-IndentCaseLabels: false
-IndentWidth:     4
-IndentWrappedFunctionNames: false
-KeepEmptyLinesAtTheStartOfBlocks: false
-MacroBlockBegin: ''
-MacroBlockEnd:   ''
-MaxEmptyLinesToKeep: 1
-NamespaceIndentation: None
-ObjCBlockIndentWidth: 4
-ObjCSpaceAfterProperty: false
-ObjCSpaceBeforeProtocolList: true
-PenaltyBreakBeforeFirstCallParameter: 19
-PenaltyBreakComment: 300
-PenaltyBreakFirstLessLess: 120
-PenaltyBreakString: 1000
-PenaltyExcessCharacter: 1000000
-PenaltyReturnTypeOnItsOwnLine: 60
-PointerAlignment: Left
-ReferenceAlignment: Left
-ReflowComments:  true
-SortIncludes:    true
-SpaceAfterCStyleCast: false
-SpaceBeforeAssignmentOperators: true
-SpaceBeforeParens: ControlStatements
-SpaceInEmptyParentheses: false
-SpacesBeforeTrailingComments: 2
-SpacesInAngles:  false
-SpacesInContainerLiterals: true
-SpacesInCStyleCastParentheses: false
-SpacesInParentheses: false
-SpacesInSquareBrackets: false
-TabWidth:        4
-UseTab:          false
-...