[spirv] Remove PrintModule function

This is no longer used or needed. Also remove the Printer::Module()
method which was only used by PrintModule().

Change-Id: Ib387cd5c46bc396c4ddc0c03d85c00a4a0ae3ed6
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/204094
Commit-Queue: James Price <[email protected]>
Reviewed-by: dan sinclair <[email protected]>
Auto-Submit: James Price <[email protected]>

src/tint/lang/spirv/writer/printer/printer.cc

@@ -204,20 +204,6 @@ class Printer {
         return std::move(writer.Result());
     }
 
-    /// @returns the generated SPIR-V module on success, or failure
-    Result<writer::Module> Module() {
-        if (auto res = Generate(); res != Success) {
-            return res.Failure();
-        }
-
-        // Serialize the module into binary SPIR-V.
-        BinaryWriter writer;
-        writer.WriteHeader(module_.IdBound(), kWriterVersion);
-        writer.WriteModule(module_);
-        module_.Code() = std::move(writer.Result());
-        return module_;
-    }
-
   private:
     core::ir::Module& ir_;
     core::ir::Builder b_;
@@ -2469,8 +2455,4 @@ tint::Result<std::vector<uint32_t>> Print(core::ir::Module& module, const Option
     return Printer{module, options}.Code();
 }
 
-tint::Result<Module> PrintModule(core::ir::Module& module, const Options& options) {
-    return Printer{module, options}.Module();
-}
-
 }  // namespace tint::spirv::writer

src/tint/lang/spirv/writer/printer/printer.h

@@ -47,11 +47,6 @@ namespace tint::spirv::writer {
 /// @param options the printer options
 tint::Result<std::vector<uint32_t>> Print(core::ir::Module& module, const Options& options);
 
-/// @returns the generated SPIR-V module on success, or failure
-/// @param module the Tint IR module to generate
-/// @param options the printer options
-tint::Result<Module> PrintModule(core::ir::Module& module, const Options& options);
-
 }  // namespace tint::spirv::writer
 
 #endif  // SRC_TINT_LANG_SPIRV_WRITER_PRINTER_PRINTER_H_