Update gitignore; remove unused function

hex_functions.cpp

@@ -1,56 +1,7 @@
-//WELCOME TO THE EXTREMELY GHETTO HEX CONVERSION KLUDGE BECAUSE I COULDNT MAKE ANYTHING ELSE WORK
-
 #include "hex_functions.h"
 
 namespace omni
 {
-  // This might be unused but I don't care to search the entire source code
-  // So it will remain here (lol)
-  // The actual int to hex conversion is now done properly
-  char halfword_to_hex_char(unsigned int input)
-  {
-    if (input > 127)
-      return 'F';
-
-    switch (input)
-    {
-    case 0:
-      return '0';
-    case 1:
-      return '1';
-    case 2:
-      return '2';
-    case 3:
-      return '3';
-    case 4:
-      return '4';
-    case 5:
-      return '5';
-    case 6:
-      return '6';
-    case 7:
-      return '7';
-    case 8:
-      return '8';
-    case 9:
-      return '9';
-    case 10:
-      return 'A';
-    case 11:
-      return 'B';
-    case 12:
-      return 'C';
-    case 13:
-      return 'D';
-    case 14:
-      return 'E';
-    case 15:
-      return 'F';
-    default:
-      return 'F';
-    }
-  }
-
   std::string int_to_hex(unsigned int input)
   {
     if (input > 255)
@@ -64,4 +15,4 @@ namespace omni
 
     return result;
   }
-} //namespace omni
+}

hex_functions.h

@@ -11,7 +11,6 @@
 
 namespace omni
 {
-  char halfword_to_hex_char(unsigned int input);
   std::string int_to_hex(unsigned int input);
 }