Remove duplicate copy of int_lib.h, and update test script to find copy inside lib/.

Also, fix some brokenness in the test script w.r.t REMOTE.

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@85260 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/endianness.h b/lib/endianness.h
index 28b0ace..b6622e8 100644
--- a/lib/endianness.h
+++ b/lib/endianness.h
@@ -1,4 +1,4 @@
-/* ===-- endianness.h - configuration header for libgcc replacement --------===
+/* ===-- endianness.h - configuration header for compiler-rt ---------------===
  *
  *		       The LLVM Compiler Infrastructure
  *
@@ -7,7 +7,7 @@
  *
  * ===----------------------------------------------------------------------===
  *
- * This file is a configuration header for libgcc replacement.
+ * This file is a configuration header for compiler-rt.
  * This file is not part of the interface of this library.
  *
  * ===----------------------------------------------------------------------===