Revert "[staticroutebfd] fix ipv6 letter case issue (#15765)" (#18027)

This reverts commit 630d93e.

Author: anamehra

src/sonic-bgpcfgd/tests/test_static_rt_bfd.py

@@ -94,82 +94,6 @@ def intf_setup(dut):
         {},
         {}
     )
-    set_del_test(dut, "intf",
-        "SET",
-        ("if1|2603:10E2:400:1::1/64",{}
-        ),
-        {},
-        {}
-    )
-    set_del_test(dut, "intf",
-        "SET",
-        ("if2|2603:10E2:400:2::1/64",{}
-        ),
-        {},
-        {}
-    )
-    set_del_test(dut, "intf",
-        "SET",
-        ("if3|2603:10E2:400:3::1/64",{}
-        ),
-        {},
-        {}
-    )    
-
-def test_set_del_ipv6():
-    dut = constructor()
-    intf_setup(dut)
-
-    set_del_test(dut, "srt",
-        "SET",
-        ("2603:10e2:400::4/128", {
-            "bfd": "true",
-            "ifname": "if1, if2, if3",
-            "nexthop": "2603:10E2:400:1::2,2603:10E2:400:2::2,2603:10e2:400:3::2"
-        }),
-        { 
-            "set_default:default:2603:10e2:400:1::2" : {'multihop': 'true', 'rx_interval': '50', 'tx_interval': '50', 'multiplier': '3', 'local_addr': '2603:10E2:400:1::1'},
-            "set_default:default:2603:10e2:400:2::2" : {'multihop': 'true', 'rx_interval': '50', 'tx_interval': '50', 'multiplier': '3', 'local_addr': '2603:10E2:400:2::1'},
-            "set_default:default:2603:10e2:400:3::2" : {'multihop': 'true', 'rx_interval': '50', 'tx_interval': '50', 'multiplier': '3', 'local_addr': '2603:10E2:400:3::1'}
-        },
-        {}
-    )
-
-    set_del_test(dut, "bfd",
-        "SET",
-        ("2603:10e2:400:1::2", {
-            "state": "Up"
-        }),
-        {},
-        {'set_default:2603:10e2:400::4/128': {'nexthop': '2603:10e2:400:1::2', 'ifname': 'if1', 'nexthop-vrf': 'default', 'expiry': 'false'}}
-    )
-    set_del_test(dut, "bfd",
-        "SET",
-        ("2603:10e2:400:2::2", {
-            "state": "Up"
-        }),
-        {},
-        {'set_default:2603:10e2:400::4/128': {'nexthop': '2603:10e2:400:1::2,2603:10e2:400:2::2', 'ifname': 'if1,if2', 'nexthop-vrf': 'default,default', 'expiry': 'false'}}
-    )
-    set_del_test(dut, "bfd",
-        "SET",
-        ("2603:10e2:400:3::2", {
-            "state": "Up"
-        }),
-        {},
-        {'set_default:2603:10e2:400::4/128': {'nexthop': '2603:10e2:400:1::2,2603:10e2:400:2::2,2603:10e2:400:3::2', 'ifname': 'if1,if2,if3', 'nexthop-vrf': 'default,default,default', 'expiry': 'false'}}
-    )
-
-    set_del_test(dut, "srt",
-        "DEL",
-        ("2603:10e2:400::4/128", { }),
-        {
-            "del_default:default:2603:10e2:400:1::2" : {},
-            "del_default:default:2603:10e2:400:2::2" : {},
-            "del_default:default:2603:10e2:400:3::2" : {}
-        },
-        {'del_default:2603:10e2:400::4/128': { }}
-    )
 
     set_del_test(dut, "intf",
         "SET",