[master][usecase][XWALK-1501] Delete URL TCs

Unit test platform: [Tizen]
Impacted TCs num(approved):New 0,Update 1,Delete 1
Test Result: pass 1, fail 0, block 0
Merge pull request #1461 from linshen/shenlin-master-ivi-remove-usecase

[master][usecase][XWALK-1501] Delete URL TCs