Update search.py - Remove redundant code

Author: JayasilanJibm

SoftLayer/CLI/search.py

@@ -48,9 +48,7 @@ def check_opt(list_opt=None):
 
     list_opt = [query, types, advanced]
 
-    if check_opt(list_opt):
-        pass
-    else:
+    if not check_opt(list_opt):
         raise click.UsageError('Search query must be provided')
 
     search = SearchManager(env.client)