Update .clang-format file & apply clang-format to whole project

.clang-format

@@ -1,41 +1,20 @@
 ---
 # Indentation for all files
 ColumnLimit: 120
-IndentWidth: 4
-TabWidth: 4
-UseTab: Never
 
 # C++ Options
 Language: Cpp
-Standard: c++17
-
 BasedOnStyle: Google
 
+# Useful for sorting the project inclusions and standard library inclusions separately 
 IncludeBlocks: Preserve
 
-AccessModifierOffset: -4
-ContinuationIndentWidth: 4
-
 # Constructor initializers better formatted in presence of preprocessor conditions (see image.cpp)
 BreakConstructorInitializers: AfterColon
-AllowAllConstructorInitializersOnNextLine: true
-
-# break braces for most of the cases (except conditionals and loops)
-BreakBeforeBraces: Custom
-BraceWrapping:
-    AfterStruct: true
-    AfterClass: true
-    AfterFunction: true
-    AfterControlStatement: false
-    AfterEnum: true
-    AfterNamespace: true
 
 # Do not allow SingleLine statements (to improve coverage statistics)
 AllowShortFunctionsOnASingleLine: None
-AllowShortBlocksOnASingleLine: false
 AllowShortIfStatementsOnASingleLine: false
 AllowShortLoopsOnASingleLine: false
 
-Cpp11BracedListStyle: true
-
 ...