Update input modalities in minimax-M2.7.toml

Author: Snat3r

providers/cortecs/models/minimax-M2.7.toml

@@ -18,5 +18,5 @@ context = 202_752
 output = 131_072
 
 [modalities]
-input = ["text","pdf","image"]
+input = ["text"]
 output = ["text"]