Revert Evaluate annotation in Electrical package

[mwetter]

The following annotation has been added in IBPSA through #2067:

diff --git a/Buildings/Electrical/Transmission/BaseClasses/PartialBaseLine.mo b/Buildings/Electrical/Transmission/BaseClasses/PartialBaseLine.mo
index 99a9ba4e73..7b05a22e67 100644
--- a/Buildings/Electrical/Transmission/BaseClasses/PartialBaseLine.mo
+++ b/Buildings/Electrical/Transmission/BaseClasses/PartialBaseLine.mo
@@ -37,7 +37,7 @@ partial model PartialBaseLine "Partial cable line dispersion model"
                choicesAllMatching = true);
 
   final parameter Modelica.Units.SI.Temperature T_ref=commercialCable.T_ref
-    "Reference temperature of the line";
+    "Reference temperature of the line" annotation (Evaluate = true);
   final parameter Modelica.Units.SI.Temperature M=commercialCable.M
     "Temperature constant (R_actual = R*(M + T_heatPort)/(M + T_ref))";
   final parameter Modelica.Units.SI.Resistance R=commercialCable.lineResistance(

It turns out that this leads in OpenModelica 1.26.0~dev-325-g8f8a82a to the error

[9] 11:18:07 Translation Warning
[Buildings.Electrical.Transmission.BaseClasses.BaseCable: 7:3-8:34]: [Parameter line1.commercialCable.T_ref has no value, and is fixed during initialization (fixed=true), using available start value (start=288.15) as default value.](omeditmessagesbrowser:///Buildings.Electrical.Transmission.BaseClasses.BaseCable?lineNumber=7)

[10] 11:18:07 Translation Notification
It was not possible to check the given initialization system for consistency symbolically, because the relevant equations are part of an algebraic loop. This is not supported yet.

[11] 11:18:07 Translation Warning
It was not possible to solve the under-determined initial system (1371 equations and 1411 variables)

[12] 11:18:07 Translation Error
No system for the symbolic initialization was generated

[13] 11:18:07 Scripting Error
Translation of Buildings.Electrical.Examples.RenewableSources failed.

This issue is to remove the annotation.