ClangFormat: Reduce the amount of electric characters

Adding '.' or ',' very ofter makes the statement invalid.
Do not force the formatting in such cases.

Change-Id: I7e58e5af6eed065a3bc0df29698aececa579feed
Reviewed-by: Marco Bubke <marco.bubke@qt.io>

src/plugins/clangformat/clangformatbaseindenter.cpp

@@ -402,8 +402,6 @@ bool ClangFormatBaseIndenter::isElectricCharacter(const QChar &ch) const
     case ';':
     case '(':
     case ')':
-    case ',':
-    case '.':
         return true;
     }
     return false;