DOC-4734 delete keys before starting tests

Author: andy-stark-redis

doctests/geo_index_test.go

@@ -23,6 +23,7 @@ func ExampleClient_geoindex() {
 	// REMOVE_START
 	rdb.FTDropIndex(ctx, "productidx")
 	rdb.FTDropIndex(ctx, "geomidx")
+	rdb.Del(ctx, "product:46885", "product:46886", "shape:1", "shape:2", "shape:3", "shape:4")
 	// REMOVE_END
 
 	// STEP_START create_geo_idx