Revert part of #4225

Since in mruby, Integer and Float interchange frequently (mostly on
overflow), so adding explicit `.0` can cause problems sometimes.

For example:
https://github.com/mattn/mruby-json/pull/40
https://github.com/pepabo/mruby-msd/pull/13
https://github.com/mattn/mruby-json/pull/42

1 files changed, 0 insertions, 3 deletions

diff --git a/src/numeric.c b/src/numeric.c
index 18b8ff461..638f75fd8 100644
--- a/src/numeric.c
+++ b/src/numeric.c
@@ -246,9 +246,6 @@ flo_to_s(mrb_state *mrb, mrb_value flt)
       str = mrb_float_to_str(mrb, flt, fmt);
       goto insert_dot_zero;
     }
-    else {
-      mrb_str_cat(mrb, str, ".0", 2);
-    }
 
     return str;
   }