Fix errors in run uc scripts

- Replicas was String instead of int
- uc4 wl had wrong path for kustomize

execution/run_uc2.sh

@@ -36,7 +36,7 @@ kind: StatefulSet
 metadata:
   name: titan-ccp-load-generator
 spec:
-  replicas: "$WL_INSTANCES"
+  replicas: $WL_INSTANCES
   template:
     spec:
       containers:

execution/run_uc4.sh

@@ -29,13 +29,13 @@ NUM_SENSORS=$DIM_VALUE
 WL_MAX_RECORDS=150000
 WL_INSTANCES=$(((NUM_SENSORS + (WL_MAX_RECORDS -1 ))/ WL_MAX_RECORDS))
 
-cat <<EOF >uuc-workload-generator/overlay/c4-workload-generator/set_paramters.yaml
+cat <<EOF >uc-workload-generator/overlay/uc4-workload-generator/set_paramters.yaml
 apiVersion: apps/v1
 kind: StatefulSet
 metadata:
   name: titan-ccp-load-generator
 spec:
-  replicas: "$WL_INSTANCES"
+  replicas: $WL_INSTANCES
   template:
     spec:
       containers: