Remove playground feature

These days serde_derive is in the top 100 crates so it gets picked up
without needing this help from serde.
This commit is contained in:
David Tolnay 2018-05-11 01:28:16 -07:00
parent f3f26796c7
commit 35aae92b56
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@ -61,8 +61,3 @@ alloc = ["unstable"]
# does not preserve identity and may result in multiple copies of the same data.
# Be sure that this is what you want before enabling this feature.
rc = []
# Get serde_derive picked up by the Integer 32 playground. Not public API.
#
# http://play.integer32.com/
playground = ["serde_derive"]