Revert "[IRSim] Adding basic implementation of llvm-sim."

Causing build errors on the Windows Buildbots.

This reverts commit 5155dff.

Author: AndrewLitteken

llvm/test/CMakeLists.txt

@@ -109,7 +109,6 @@ set(LLVM_TEST_DEPENDS
           llvm-readelf
           llvm-reduce
           llvm-rtdyld
-          llvm-sim
           llvm-size
           llvm-split
           llvm-strings

llvm/test/lit.cfg.py

@@ -162,7 +162,7 @@ def get_asan_rtlib():
     'llvm-link', 'llvm-lto', 'llvm-lto2', 'llvm-mc', 'llvm-mca',
     'llvm-modextract', 'llvm-nm', 'llvm-objcopy', 'llvm-objdump',
     'llvm-pdbutil', 'llvm-profdata', 'llvm-ranlib', 'llvm-rc', 'llvm-readelf',
-    'llvm-readobj', 'llvm-rtdyld', 'llvm-sim', 'llvm-size', 'llvm-split', 'llvm-strings',
+    'llvm-readobj', 'llvm-rtdyld', 'llvm-size', 'llvm-split', 'llvm-strings',
     'llvm-strip', 'llvm-tblgen', 'llvm-undname', 'llvm-c-test', 'llvm-cxxfilt',
     'llvm-xray', 'yaml2obj', 'obj2yaml', 'yaml-bench', 'verify-uselistorder',
     'bugpoint', 'llc', 'llvm-symbolizer', 'opt', 'sancov', 'sanstats'])