fix issues with if condition (#1537)

contrib/azurerm/apply-rg.sh

@@ -9,10 +9,10 @@ if [ "$AZURE_RESOURCE_GROUP" == "" ]; then
     exit 1
 fi
 
-if [ $(az &>/dev/null) ] ; then
+if az &>/dev/null; then
     echo "azure cli 2.0 found, using it instead of 1.0"
     ./apply-rg_2.sh "$AZURE_RESOURCE_GROUP"
-elif [ $(azure &>/dev/null) ] ; then 
+elif azure &>/dev/null; then 
     ansible-playbook generate-templates.yml
     
     azure group deployment create -f ./.generated/network.json -g $AZURE_RESOURCE_GROUP

contrib/azurerm/clear-rg.sh

@@ -9,7 +9,7 @@ if [ "$AZURE_RESOURCE_GROUP" == "" ]; then
     exit 1
 fi
 
-if [ $(az &>/dev/null) ] ; then
+if az &>/dev/null; then
     echo "azure cli 2.0 found, using it instead of 1.0"
     ./clear-rg_2.sh "$AZURE_RESOURCE_GROUP"
 else

contrib/azurerm/generate-inventory.sh

@@ -9,9 +9,9 @@ if [ "$AZURE_RESOURCE_GROUP" == "" ]; then
     exit 1
 fi
 # check if azure cli 2.0 exists else use azure cli 1.0
-if [ $(az &>/dev/null) ] ; then
+if az &>/dev/null; then
     ansible-playbook generate-inventory_2.yml -e azure_resource_group="$AZURE_RESOURCE_GROUP"
-elif [ $(azure &>/dev/null) ]; then
+elif azure &>/dev/null; then
     ansible-playbook generate-inventory.yml -e azure_resource_group="$AZURE_RESOURCE_GROUP"
 else
     echo "Azure cli not found"