Remove BridgingUtils.h headers

These are now empty, and it seems like generally
we ought to prefer putting the bridging logic on
the BridgedXXX wrappers.

Author: hamishknight

include/swift/AST/BridgingUtils.h

@@ -27,7 +27,6 @@
 #include "swift/AST/SourceFile.h"
 #include "swift/AST/Stmt.h"
 #include "swift/AST/TypeRepr.h"
-#include "swift/Basic/BridgingUtils.h"
 
 #ifdef PURE_BRIDGING_MODE
 // In PURE_BRIDGING_MODE, bridging functions are not inlined and therefore

include/swift/Basic/BridgingUtils.h

@@ -15,7 +15,6 @@
 //===----------------------------------------------------------------------===//
 
 #include "swift/Parse/Lexer.h"
-#include "swift/AST/BridgingUtils.h"
 #include "swift/AST/DiagnosticsParse.h"
 #include "swift/AST/Identifier.h"
 #include "swift/Basic/LangOptions.h"

lib/AST/ASTBridging.cpp

@@ -14,9 +14,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "swift/AST/BridgingUtils.h"
 #include "swift/AST/DiagnosticsParse.h"
-#include "swift/Basic/BridgingUtils.h"
 #include "swift/Parse/Parser.h"
 
 // Regex parser delivered via Swift modules.

lib/Parse/Lexer.cpp

@@ -30,7 +30,6 @@
 #include "swift/AST/Stmt.h"
 #include "swift/Basic/OptimizationMode.h"
 #include "swift/Basic/Statistic.h"
-#include "swift/Basic/BridgingUtils.h"
 #include "llvm/ADT/Optional.h"
 #include "llvm/ADT/Statistic.h"
 #include "llvm/Support/CommandLine.h"

lib/Parse/ParseRegex.cpp

@@ -19,7 +19,6 @@
 
 #include "swift/AST/Attr.h"
 #include "swift/AST/SemanticAttrs.h"
-#include "swift/Basic/BridgingUtils.h"
 #include "swift/SIL/MemAccessUtils.h"
 #include "swift/SIL/ParseTestSpecification.h"
 #include "swift/SIL/SILBuilder.h"

lib/SIL/IR/SILFunction.cpp

@@ -15,7 +15,6 @@
 #include "swift/SILOptimizer/PassManager/PassManager.h"
 #include "swift/AST/ASTMangler.h"
 #include "swift/AST/SILOptimizerRequests.h"
-#include "swift/Basic/BridgingUtils.h"
 #include "swift/Demangling/Demangle.h"
 #include "../../IRGen/IRGenModule.h"
 #include "swift/SIL/ApplySite.h"

lib/SIL/Utils/SILBridging.cpp

@@ -25,7 +25,6 @@
 #include "swift/SILOptimizer/PassManager/Passes.h"
 #include "swift/AST/ASTContext.h"
 #include "swift/AST/Module.h"
-#include "swift/Basic/BridgingUtils.h"
 #include "swift/SIL/SILModule.h"
 #include "swift/SILOptimizer/Analysis/Analysis.h"
 #include "swift/SILOptimizer/OptimizerBridging.h"

lib/SILOptimizer/PassManager/PassManager.cpp

@@ -21,7 +21,6 @@
 #define DEBUG_TYPE "sil-combine"
 
 #include "SILCombiner.h"
-#include "swift/Basic/BridgingUtils.h"
 #include "swift/SIL/BasicBlockDatastructures.h"
 #include "swift/SIL/DebugUtils.h"
 #include "swift/SIL/SILBuilder.h"