Remove unused options from interpreter/llvm/Module.mk

The options are obsolete since the last LLVM upgrade.

Adding these unused options generates warnings in the classic build:
http://cdash.cern.ch/viewBuildError.php?type=1&buildid=372656

interpreter/llvm/Module.mk

@@ -186,7 +186,6 @@ $(LLVMDEPO): $(LLVMDEPS)
 		$$LLVM_HOST \
 		$$LLVM_TARGET \
 		-DCMAKE_INSTALL_PREFIX=$(ROOT_OBJDIR)/$(LLVMDIRI) \
-		-DROOT_CLASSIC=ON \
 		-DLLVM_BUILD_DOCS=OFF \
 		-DLLVM_BUILD_TESTS=OFF \
 		-DLLVM_ENABLE_WARNINGS=ON \
@@ -194,7 +193,6 @@ $(LLVMDEPO): $(LLVMDEPS)
 		-DLLVM_INCLUDE_EXAMPLES=OFF \
 		-DLLVM_FORCE_USE_OLD_TOOLCHAIN=ON \
 		-DLLVM_ENABLE_THREADS=OFF \
-		-DLLVM_NOCLING=YES \
 		-DCLANG_ENABLE_STATIC_ANALYZER=OFF \
 		-DCLANG_ENABLE_ARCMT=OFF \
 		-DCLANG_ENABLE_COMPILER=OFF \
@@ -205,7 +203,6 @@ $(LLVMDEPO): $(LLVMDEPS)
 		-DCLANG_INCLUDE_TESTS=OFF \
 		-DCLANG_TOOL_CLANG_OFFLOAD_BUNDLER_BUILD=OFF \
       -DCLANG_BUILD_TOOLS=OFF \
-      -DCLANG_INCLUDE_TOOLS=OFF \
       -DLLVM_TOOL_LLVM_AR_BUILD=OFF \
       -DLLVM_INCLUDE_TOOLS=ON \
 		$$LLVMLIBCXX \