Really remove FlatStoreManager and BasicStoreManager, this time from the driver.  Also remove associated tests.  Sorry for the messy commits; this is the result of a botched Git merge.

llvm-svn: 136422
diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index 47e9590..b2bd759 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -68,7 +68,7 @@
                                std::vector<std::string> &Res) {
   if (Opts.ShowCheckerHelp)
     Res.push_back("-analyzer-checker-help");
-  if (Opts.AnalysisStoreOpt != BasicStoreModel) {
+  if (Opts.AnalysisStoreOpt != RegionStoreModel) {
     Res.push_back("-analyzer-store");
     Res.push_back(getAnalysisStoreName(Opts.AnalysisStoreOpt));
   }