Update documentation and Quantity model

Author: Yauhenikapl

documentation/modules/ROOT/examples/aspect-sample.ttl

@@ -97,10 +97,6 @@
     a samm-c:SingleEntity ;
     samm:dataType :Parameter ;
   ] .
-
-:TestMeasurement a :Parameter ;
-  :parameterValue 75 ;
-  :parameterUnit unit:kilogram .
 # end::quantity-declaration[]
 
 # tag::enumeration-simple-declaration-string[]

documentation/modules/ROOT/pages/modeling-guidelines.adoc

@@ -408,11 +408,6 @@ Example:
 include::example$aspect-sample.ttl[tag=quantity-declaration]
 ----
 
-TIP: When defining measurements, ensure that both `value` and `unit` properties are always included
-together to maintain semantic integrity. If multiple units are relevant for a given aspect, consider
-defining explicit conversions or constraints to prevent ambiguity in data interpretation.
-
-
 [[declaring-either]]
 ==== Declaring Either
 

esmf-semantic-aspect-meta-model/src/test/resources/samm_2_2_0/quantity/org.eclipse.esmf.test/1.0.0/QuantityTestEntity.ttl

@@ -37,8 +37,4 @@
   samm:characteristic [
     a samm-c:SingleEntity ;
     samm:dataType :Parameter ;
-  ] .
-
-:TestMeasurement a :Parameter ;
-  :parameterValue 75 ;
-  :parameterUnit unit:kilogram .
+  ] .