delete SWIG typemaps for FILE*

Summary:
The SWIG typemaps for FILE* are no longer used, so
this patch deletes them.

Reviewers: JDevlieghere, jasonmolenda, labath

Reviewed By: labath

Subscribers: lldb-commits

Tags: #lldb

Differential Revision: https://reviews.llvm.org/D68963

git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@375073 91177308-0d34-0410-b5e6-96231b3b80d8
7 files changed