Update transformer.py

Author: JUNJIE99

FlagEmbedding/visual/eva_clip/transformer.py

@@ -31,7 +31,7 @@
     import xformers.ops as xops
 except ImportError:
     xops = None
-    print("Please 'pip install xformers'")
+    # print("Please 'pip install xformers'")
 
 class LayerNormFp32(nn.LayerNorm):
     """Subclass torch's LayerNorm to handle fp16 (by casting to float32 and back)."""