fix transformation installation manual

Gazelle-Transformation-Service/installation.md

@@ -60,6 +60,12 @@ In <subsystem xmlns="urn:jboss:domain:datasources:2.0">, add the following in <d
 </drivers>
 ```
 
+Remove the following line:
+
+```xml
+<subsystem xmlns="urn:jboss:domain:weld:2.0"/>
+```
+
 ## Mojarra installation
 
 1. Download the mojarra cli from: [https://gazelle.ihe.net/jboss8/install-mojarra-2.1.19.cli](https://gazelle.ihe.net/jboss8/install-mojarra-2.1.19.cli "https://gazelle.ihe.net/jboss8/install-mojarra-2.1.19.cli")
@@ -215,13 +221,17 @@ Remove the following lines too
 ```
 
 3. Edit /usr/local/jboss8//standalone/configuration/standalone.xml and replace
+
 ```xml
 <subsystem xmlns="urn:jboss:domain:weld:2.0" require-bean-descriptor="true" />
 ```
+
 by
+
 ```xml
 <subsystem xmlns="urn:jboss:domain:weld:2.0"/>
 ```
+
 4. Edit the following 'module.xml' file in '/usr/local/jboss8/modules/org/postgres/main' directory:
 
 ```xml