Remove the IPProtocol interface

The protocol type has been added into the IP interface
as a property.

Change-Id: I4ba56a33332a73845d9fe3ae94546fd8275d61c4
Signed-off-by: Ratan Gupta <ratagupt@in.ibm.com>
diff --git a/xyz/openbmc_project/Network/IPProtocol.interface.yaml b/xyz/openbmc_project/Network/IPProtocol.interface.yaml
deleted file mode 100644
index c4f89ab..0000000
--- a/xyz/openbmc_project/Network/IPProtocol.interface.yaml
+++ /dev/null
@@ -1,15 +0,0 @@
-description: >
-    This defines IP protocol types.
-properties:
-    - name: Type
-      type: enum[self.Protocol]
-      description: >
-          protocol type can be IPv4 or IPv6 etc.
-
-enumerations:
-    - name: Protocol
-      description: >
-          Possible IP protocol types.
-      values:
-        - name: IPv4
-        - name: IPv6