Remove textboxwrap() and wrap() return value

This removes Graphics::textboxwrap(), as it is now an unused function.
Additionally, this removes the return value of textboxclass::wrap(), as
it is also now unused.

desktop_version/src/Graphics.cpp

@@ -3238,18 +3238,6 @@ void Graphics::textboxcentery(void)
     textboxes[m].should_centery = true;
 }
 
-int Graphics::textboxwrap(int pad)
-{
-    // TODO: delete this function?
-    if (!INBOUNDS_VEC(m, textboxes))
-    {
-        vlog_error("textboxwrap() out-of-bounds!");
-        return 16;
-    }
-
-    return textboxes[m].wrap(pad);
-}
-
 void Graphics::textboxpad(size_t left_pad, size_t right_pad)
 {
     if (!INBOUNDS_VEC(m, textboxes))

desktop_version/src/Graphics.h

@@ -102,8 +102,6 @@ public:
 
     void textboxcentery(void);
 
-    int textboxwrap(int pad);
-
     void textboxpad(size_t left_pad, size_t right_pad);
 
     void textboxpadtowidth(size_t new_w);

desktop_version/src/Textbox.cpp

@@ -274,7 +274,7 @@ void textboxclass::centertext(void)
     padtowidth(w-16);
 }
 
-int textboxclass::wrap(int pad)
+void textboxclass::wrap(int pad)
 {
     /* This function just takes a single-line textbox and wraps it...
      * pad = the total number of characters we are going to pad this textbox.
@@ -285,7 +285,7 @@ int textboxclass::wrap(int pad)
     if (lines.empty())
     {
         vlog_error("textboxclass::wrap() has no first line!");
-        return 16;
+        return;
     }
 
     std::string wrapped = font::string_wordwrap_balanced(
@@ -304,8 +304,6 @@ int textboxclass::wrap(int pad)
         addline(wrapped.substr(startline, newline-startline));
         startline = newline + 1;
     } while (newline != std::string::npos);
-
-    return h;
 }
 
 void textboxclass::copyoriginaltext(void)

desktop_version/src/Textbox.h

@@ -97,7 +97,7 @@ public:
 
     void centertext(void);
 
-    int wrap(int pad);
+    void wrap(int pad);
 
     void copyoriginaltext(void);