Remove some unused <vector> includes. NFCI.

<vector> (unlike many other c++ headers) is relatively clean, so if the file doesn't use std::vector then it shouldn't need the header.

include/llvm/Analysis/InlineAdvisor.h

@@ -9,13 +9,11 @@
 #ifndef LLVM_INLINEADVISOR_H_
 #define LLVM_INLINEADVISOR_H_
 
-#include <memory>
-#include <unordered_set>
-#include <vector>
-
 #include "llvm/Analysis/InlineCost.h"
 #include "llvm/Config/llvm-config.h"
 #include "llvm/IR/PassManager.h"
+#include <memory>
+#include <unordered_set>
 
 namespace llvm {
 class BasicBlock;

include/llvm/CodeGen/CodeGenPassBuilder.h

@@ -57,7 +57,6 @@
 #include <string>
 #include <type_traits>
 #include <utility>
-#include <vector>
 
 namespace llvm {
 

include/llvm/ExecutionEngine/JITEventListener.h

@@ -20,7 +20,6 @@
 #include "llvm/IR/DebugLoc.h"
 #include "llvm/Support/CBindingWrapping.h"
 #include <cstdint>
-#include <vector>
 
 namespace llvm {