Remove Inline Assertion

Suggests removing inline assertions

Remove invocation of the inline assertion method. Such a method is determined when all the conditions are met:

• the method name starts with "AssertNotNull"
• the method is an extension method
• the method has single parameter
• the method's parameter type equals to the return value type
• the method is annotated with the [NotNull]
• the method is annotated with the [DebuggerStepThrough]