r600: Remove empty OVERRIDES file

Signed-off-by: Jan Vesely <jan.vesely@rutgers.edu>
Reviewer: Aaron Watry

git-svn-id: https://llvm.org/svn/llvm-project/libclc/trunk@347666 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/r600/lib/OVERRIDES b/r600/lib/OVERRIDES
deleted file mode 100644
index e69de29..0000000
--- a/r600/lib/OVERRIDES
+++ /dev/null