remove clang-format in src

meson_options.txt

-option('rng_backend', type : 'combo', choices : ['stl_mt19937', 'stl_mt19937_64', 'internal_mersenne'], description : 'The backend used for the random number generator provided by loadleveller')
+option('rng_backend', type : 'combo', choices : ['internal_mersenne', 'stl_mt19937', 'stl_mt19937_64'], description : 'The backend used for the random number generator provided by loadleveller')

src/.clang-format

----
-BasedOnStyle: LLVM
-AccessModifierOffset: '-4'
-AlignConsecutiveAssignments: 'false'
-AlignConsecutiveDeclarations: 'false'
-AlignEscapedNewlines: DontAlign
-AlignOperands: 'true'
-AlignTrailingComments: 'true'
-AllowShortBlocksOnASingleLine: 'false'
-AllowShortCaseLabelsOnASingleLine: 'false'
-AllowShortFunctionsOnASingleLine: Empty
-AllowShortIfStatementsOnASingleLine: 'false'
-AllowShortLoopsOnASingleLine: 'false'
-AlwaysBreakAfterReturnType: None
-AlwaysBreakBeforeMultilineStrings: 'true'
-AlwaysBreakTemplateDeclarations: 'true'
-BreakBeforeBraces: Attach
-BreakConstructorInitializers: BeforeColon
-ColumnLimit: '100'
-Cpp11BracedListStyle: 'true'
-FixNamespaceComments: 'false'
-IndentCaseLabels: 'false'
-IndentWidth: '4'
-IndentWrappedFunctionNames: 'true'
-KeepEmptyLinesAtTheStartOfBlocks: 'false'
-Language: Cpp
-MaxEmptyLinesToKeep: '1'
-NamespaceIndentation: None
-PointerAlignment: Right
-ReflowComments: 'true'
-SortIncludes: 'true'
-SortUsingDeclarations: 'true'
-SpaceAfterTemplateKeyword: 'false'
-SpaceBeforeAssignmentOperators: 'true'
-SpaceBeforeParens: Never
-SpaceInEmptyParentheses: 'false'
-SpacesInAngles: 'false'
-SpacesInCStyleCastParentheses: 'false'
-SpacesInContainerLiterals: 'false'
-SpacesInParentheses: 'false'
-SpacesInSquareBrackets: 'false'
-Standard: Cpp11
-TabWidth: '4'
-UseTab: ForIndentation
-
-...

src/MersenneTwister.h

 #include "mpi.h"
 #include <cassert>
-#include <vector>
 #include <cstring>
+#include <vector>
 
 // MersenneTwister.h
 // Mersenne Twister random number generator -- a C++ class MTRand