Remove duplicated RUN lines in middle of test

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@218473 91177308-0d34-0410-b5e6-96231b3b80d8
R600: Fix some missing conversion testcases

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@218474 91177308-0d34-0410-b5e6-96231b3b80d8