AST/IDE/Sema: Remove unnecessary AvailabilityInference.h includes.

NFC.

Author: tshortli

lib/AST/Attr.cpp

@@ -18,7 +18,6 @@
 #include "swift/AST/ASTContext.h"
 #include "swift/AST/ASTPrinter.h"
 #include "swift/AST/AvailabilityDomain.h"
-#include "swift/AST/AvailabilityInference.h"
 #include "swift/AST/Decl.h"
 #include "swift/AST/Expr.h"
 #include "swift/AST/GenericEnvironment.h"

lib/AST/AvailabilityContext.cpp

@@ -14,7 +14,6 @@
 #include "swift/AST/ASTContext.h"
 #include "swift/AST/AvailabilityConstraint.h"
 #include "swift/AST/AvailabilityContextStorage.h"
-#include "swift/AST/AvailabilityInference.h"
 #include "swift/AST/AvailabilityScope.h"
 #include "swift/AST/Decl.h"
 #include "swift/AST/Module.h"

lib/AST/AvailabilityScope.cpp

@@ -18,7 +18,6 @@
 
 #include "swift/AST/ASTContext.h"
 #include "swift/AST/AvailabilityConstraint.h"
-#include "swift/AST/AvailabilityInference.h"
 #include "swift/AST/AvailabilitySpec.h"
 #include "swift/AST/Decl.h"
 #include "swift/AST/Expr.h"

lib/IDE/CodeCompletionDiagnostics.cpp

@@ -13,7 +13,6 @@
 #include "CodeCompletionDiagnostics.h"
 
 #include "swift/AST/ASTContext.h"
-#include "swift/AST/AvailabilityInference.h"
 #include "swift/AST/Decl.h"
 #include "swift/AST/DiagnosticEngine.h"
 #include "swift/AST/DiagnosticsIDE.h"

lib/Sema/TypeCheckDecl.cpp

@@ -32,7 +32,6 @@
 #include "swift/AST/ASTWalker.h"
 #include "swift/AST/AccessScope.h"
 #include "swift/AST/Attr.h"
-#include "swift/AST/AvailabilityInference.h"
 #include "swift/AST/ClangModuleLoader.h"
 #include "swift/AST/ConformanceLookup.h"
 #include "swift/AST/Decl.h"