VectorICs: Remove --vector-stores flag.

test/cctest/compiler/test-run-bytecode-graph-builder.cc

Index: test/cctest/compiler/test-run-bytecode-graph-builder.cc
diff --git a/test/cctest/compiler/test-run-bytecode-graph-builder.cc b/test/cctest/compiler/test-run-bytecode-graph-builder.cc
index 374cecdc15b297a47f204962bbec82ddc573c7d3..a2f7322d71413facecb0784f92bf40cfb6798a95 100644
--- a/test/cctest/compiler/test-run-bytecode-graph-builder.cc
+++ b/test/cctest/compiler/test-run-bytecode-graph-builder.cc
@@ -64,7 +64,6 @@ class BytecodeGraphTester {
       : isolate_(isolate), zone_(zone), script_(script) {
     i::FLAG_ignition = true;
     i::FLAG_always_opt = false;
-    i::FLAG_vector_stores = true;
     // Set ignition filter flag via SetFlagsFromString to avoid double-free
     // (or potential leak with StrDup() based on ownership confusion).
     ScopedVector<char> ignition_filter(64);