Removing additional varargs trampoline in shader translator.

src/xenia/base/string_buffer.h

@@ -35,7 +35,6 @@ class StringBuffer {
   const char* GetString() const;
   std::string to_string();
   char* ToString();
-  char* EncodeBase64();
 
  private:
   void Grow(size_t additional_length);

src/xenia/gpu/gl4/gl4_shader_translator.cc

@@ -21,6 +21,8 @@ namespace gl4 {
 using namespace xe::gpu::ucode;
 using namespace xe::gpu::xenos;
 
+#define Append(...) output_.AppendFormat(__VA_ARGS__)
+
 static const char chan_names[] = {
     'x', 'y', 'z', 'w',
     // these only apply to FETCH dst's, and we shouldn't be using them:

src/xenia/gpu/gl4/gl4_shader_translator.h

@@ -47,12 +47,6 @@ class GL4ShaderTranslator {
   bool is_pixel_shader() const { return shader_type_ == ShaderType::kPixel; }
 
   void Reset(GL4Shader* shader);
-  void Append(const char* format, ...) {
-    va_list args;
-    va_start(args, format);
-    output_.AppendVarargs(format, args);
-    va_end(args);
-  }
 
   void AppendSrcReg(const ucode::instr_alu_t& op, int i);
   void AppendSrcReg(const ucode::instr_alu_t& op, uint32_t num, uint32_t type,