Remove unconditional block in logging.

Remove unconditional block in logging. This was done so the previous
commit shows an actual useful diff.

src/xenia/base/logging.cc

@@ -152,8 +152,6 @@ class Logger {
           next_range.last(), last_sequence);
 
       size_t read_count = 0;
-
-      {
       auto available_range = next_range;
       auto available_count = available_range.size();
 
@@ -234,7 +232,6 @@ class Logger {
       if (terminate) {
         break;
       }
-      }
 
       if (read_count) {
         // Advance by the number of blocks we read.