Update README.md with license information

We (01.AI) have updated our license from yi-license to apache-2.0.
Since apache-2.0 enables more free and flexible use and distribution, promoting open collaboration and innovation, we kindly advise that all Yi derivatives currently under the yi-license be updated to the apache-2.0 license.
Thanks for your understanding and cooperation.

README.md

@@ -1,7 +1,4 @@
 ---
-license: other
-license_name: yi-license
-license_link: https://huggingface.co/01-ai/Yi-34B-200K/blob/main/LICENSE
 datasets:
 - ai2_arc
 - unalignment/spicy-3.1
@@ -27,11 +24,12 @@ datasets:
 - Intel/orca_dpo_pairs
 - unalignment/toxic-dpo-v0.1
 - jondurbin/truthy-dpo-v0.1
-- allenai/ultrafeedback_binarized_cleaned 
+- allenai/ultrafeedback_binarized_cleaned
 - Squish42/bluemoon-fandom-1-1-rp-cleaned
 - LDJnr/Capybara
 - JULIELab/EmoBank
 - kingbri/PIPPA-shareGPT
+license: apache-2.0
 ---
 
 # A bagel, with everything