Diagnostics

- Consolidated two debug lines into one, so that ViewTask::render now
  reports available width, and Context::getWidth does not.

src/interactive.cpp

@@ -57,8 +57,6 @@ int Context::getWidth ()
       {
         terminal_height = buff[0];
         terminal_width = buff[1];
-
-        debug (format (STRING_INTERACTIVE_WIDTH, terminal_width));
       }
     }
 
@@ -94,8 +92,6 @@ int Context::getHeight ()
       {
         terminal_height = buff[0];
         terminal_width = buff[1];
-
-        debug (format (STRING_INTERACTIVE_HEIGHT, terminal_height));
       }
     }