Remove wait_for_launch parameter from DoAttachToProcessWithName(). This parameter is redundant as this information is already provided by the ProcessAttachInfo parameter.

CC: lldb-commits

Differential Revision: http://llvm-reviews.chandlerc.com/D2463

git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@197923 91177308-0d34-0410-b5e6-96231b3b80d8