Normalize printed text

Signed-off-by: Richie Bendall <richiebendall@gmail.com>

u/Ubercode.cls

@@ -2,7 +2,7 @@
 
   public function Main()
   code
-    call Msgbox("Hello World!", "My first program", "OK")
+    call Msgbox("Hello World", "My first program", "OK")
   end function
 
   end class

u/ubiquity.ubiquity

@@ -1,3 +1,3 @@
 function cmd_hello_world() {
-  displayMessage("Hello, World!");
+  displayMessage("Hello World");
 }

u/umajin.u

@@ -1,2 +1,2 @@
-println 'Hello World!'
+println 'Hello World'