Remove redundant case-sensitive RpcType name check (#46)

Author: AhmedTareek

src/dubbo/types.py

@@ -57,6 +57,4 @@ def from_name(cls, name: str) -> RpcType:
             # ignore case
             if item.value.name.lower() == name.lower():
                 return item.value
-            if item.value.name == name:
-                return item.value
         raise ValueError(f"Unknown RpcType name: {name}")