Fix crash in TracePoint c_call for removed method

	trace_arg->id is the ID of the original method of an aliased method. If
	the original method is removed, then the lookup will fail. We should use
	trace_arg->called_id instead, which is the ID of the aliased method.

	Fixes [Bug #19305]
	---
	 test/ruby/test_settracefunc.rb | 23 +++++++++++++++++++++++
	 vm_trace.c                     |  2 +-
	 2 files changed, 24 insertions(+), 1 deletion(-)