[clang][bytecode][NFC] Remove Frame.cpp (#140750)

The file was basically empty. The actual implementation for function
frames of the two interpreter life in their own respective files.

Author: tbaederr

clang/lib/AST/ByteCode/Frame.cpp

@@ -24,7 +24,7 @@ namespace interp {
 /// Base class for stack frames, shared between VM and walker.
 class Frame {
 public:
-  virtual ~Frame();
+  virtual ~Frame() = default;
 
   /// Generates a human-readable description of the call site.
   virtual void describe(llvm::raw_ostream &OS) const = 0;

clang/lib/AST/ByteCode/Frame.h

@@ -74,7 +74,6 @@ add_clang_library(clangAST
   ByteCode/Descriptor.cpp
   ByteCode/Disasm.cpp
   ByteCode/EvalEmitter.cpp
-  ByteCode/Frame.cpp
   ByteCode/Function.cpp
   ByteCode/FunctionPointer.cpp
   ByteCode/InterpBuiltin.cpp