DSPSymbols: remove unused ReadAnnotatedAssembly

It's unused, and it used a weird format, something like:

```
void label_name() {
   asm $REG1, $REG2
   // etc
}
```

Source/Core/Core/HW/DSPLLE/DSPSymbols.cpp

@@ -78,141 +78,6 @@ Symbol* DSPSymbolDB::GetSymbolFromAddr(u32 addr)
   return nullptr;
 }
 
-bool ReadAnnotatedAssembly(const std::string& filename)
-{
-  File::IOFile f(filename, "r");
-  if (!f)
-    return false;
-
-  char line[512];
-
-  int last_addr = 0;
-
-  lines.reserve(3000);
-
-  // Symbol generation
-  int brace_count = 0;
-  bool symbol_in_progress = false;
-
-  int symbol_count = 0;
-  Symbol current_symbol;
-
-  while (fgets(line, 512, f.GetHandle()))
-  {
-    // Scan string for the first 4-digit hex string.
-    size_t len = strlen(line);
-    int first_hex = -1;
-    bool hex_found = false;
-    for (unsigned int i = 0; i < strlen(line); i++)
-    {
-      const char c = line[i];
-      if (isxdigit(c))
-      {
-        if (first_hex == -1)
-        {
-          first_hex = i;
-        }
-        else
-        {
-          // Remove hex notation
-          if ((int)i == first_hex + 3 && (first_hex == 0 || line[first_hex - 1] != 'x') &&
-              (i >= len - 1 || line[i + 1] == ' '))
-          {
-            hex_found = true;
-            break;
-          }
-        }
-      }
-      else
-      {
-        if (i - first_hex < 3)
-        {
-          first_hex = -1;
-        }
-        if (isalpha(c))
-          break;
-      }
-    }
-
-    // Scan for function starts
-    if (!memcmp(line, "void", 4))
-    {
-      char temp[256];
-      for (size_t i = 6; i < len; i++)
-      {
-        if (line[i] == '(')
-        {
-          // Yep, got one.
-          memcpy(temp, line + 5, i - 5);
-          temp[i - 5] = 0;
-
-          // Mark symbol so the next hex sets the address
-          current_symbol.Rename(temp);
-          current_symbol.address = 0xFFFF;
-          current_symbol.index = symbol_count++;
-          symbol_in_progress = true;
-
-          // Reset brace count.
-          brace_count = 0;
-        }
-      }
-    }
-
-    // Scan for braces
-    for (size_t i = 0; i < len; i++)
-    {
-      if (line[i] == '{')
-        brace_count++;
-      if (line[i] == '}')
-      {
-        brace_count--;
-        if (brace_count == 0 && symbol_in_progress)
-        {
-          // Commit this symbol.
-          current_symbol.size = last_addr - current_symbol.address + 1;
-          g_dsp_symbol_db.AddCompleteSymbol(current_symbol);
-          current_symbol.address = 0xFFFF;
-          symbol_in_progress = false;
-        }
-      }
-    }
-
-    if (hex_found)
-    {
-      int hex = 0;
-      sscanf(line + first_hex, "%04x", &hex);
-
-      // Sanity check
-      if (hex > last_addr + 3 || hex < last_addr - 3)
-      {
-        static int errors = 0;
-        INFO_LOG(DSPLLE, "Got Insane Hex Digit %04x (%04x) from %s", hex, last_addr, line);
-        errors++;
-        if (errors > 10)
-        {
-          return false;
-        }
-      }
-      else
-      {
-        // if (line_counter >= 200 && line_counter <= 220)
-        // 	NOTICE_LOG(DSPLLE, "Got Hex Digit %04x from %s, line %i", hex, line, line_counter);
-        if (symbol_in_progress && current_symbol.address == 0xFFFF)
-          current_symbol.address = hex;
-
-        line_to_addr[line_counter] = hex;
-        addr_to_line[hex] = line_counter;
-        last_addr = hex;
-      }
-    }
-
-    lines.push_back(TabsToSpaces(4, line));
-    line_counter++;
-  }
-
-  return true;
-}
-
 void AutoDisassembly(u16 start_addr, u16 end_addr)
 {
   AssemblerSettings settings;

Source/Core/Core/HW/DSPLLE/DSPSymbols.h

@@ -23,7 +23,6 @@ public:
 
 extern DSPSymbolDB g_dsp_symbol_db;
 
-bool ReadAnnotatedAssembly(const std::string& filename);
 void AutoDisassembly(u16 start_addr, u16 end_addr);
 
 void Clear();