Removes superfluous default annotations. (no change in line numbers)

Author: dietmarw

ModelicaByExample/Architectures/SensorComparison/Examples/FlatSystem.mo

@@ -17,7 +17,7 @@ model FlatSystem "A rotational system with no architecture"
         extent={{-10,-10},{10,10}}, rotation=90, origin={70,0})));
   Modelica.Blocks.Math.Feedback feedback annotation (Placement(transformation(
         extent={{10,-10},{-10,10}},
-        rotation=0, origin={70,40})));
+        origin={70,40})));
   Modelica.Blocks.Sources.Trapezoid trapezoid(period=1.0)
     annotation (Placement(transformation(extent={{40,70},{60,90}})));
   Modelica.Blocks.Math.Gain gain(k=20) annotation (Placement(transformation(

ModelicaByExample/Architectures/SensorComparison/Examples/FlatSystem_Variation1.mo

@@ -16,7 +16,7 @@ model FlatSystem_Variation1 "Variation containing a different sensor model"
     annotation (Placement(transformation(
         extent={{-10,-10},{10,10}}, rotation=90, origin={70,0})));
   Modelica.Blocks.Math.Feedback feedback annotation (Placement(transformation(
-        extent={{10,-10},{-10,10}}, rotation=0, origin={70,40})));
+        extent={{10,-10},{-10,10}}, origin={70,40})));
   Modelica.Blocks.Sources.Trapezoid trapezoid(period=1.0)
     annotation (Placement(transformation(extent={{40,70},{60,90}})));
   Modelica.Blocks.Math.Gain gain(k=20) annotation (Placement(transformation(

ModelicaByExample/Architectures/SensorComparison/Implementation/PID_Controller.mo

@@ -8,7 +8,7 @@ model PID_Controller "Controller subsystem implemented using a PID controller"
 protected
   Modelica.Blocks.Continuous.LimPID PID(k=k, Ti=Ti, Td=Td, yMax=yMax)
     annotation (Placement(transformation(
-        extent={{10,-10},{-10,10}}, rotation=0, origin={0,0})));
+        extent={{10,-10},{-10,10}})));
 equation
   connect(setpoint, PID.u_s) annotation (Line(
       points={{0,120},{0,60},{40,60},{40,0},{12,0}},

ModelicaByExample/Architectures/ThermalControl/Interfaces/Actuator.mo

@@ -4,7 +4,7 @@ partial model Actuator "Actuator subsystem interface"
   Modelica.Blocks.Interfaces.RealInput heat "Heating command" annotation (
       Placement(transformation(
         extent={{-20,-20},{20,20}},
-        rotation=0, origin={-120,0})));
+        origin={-120,0})));
 
   Modelica.Thermal.HeatTransfer.Interfaces.HeatPort_b furnace
     "Connection point for the furnace"

ModelicaByExample/Subsystems/HeatTransfer/Components/Rod.mo

@@ -23,7 +23,7 @@ protected
   HTC.HeatCapacitor capacitance[n](each final C=C/n, each T(start=T0, fixed=true))
     annotation (Placement(transformation(
         extent={{-10,-10},{10,10}},
-        rotation=0, origin={-30,20})));
+        origin={-30,20})));
   HTC.ThermalConductor wall[n](each final G=G_wall/n)
     annotation (Placement(transformation(
         extent={{-10,-10},{10,10}},

ModelicaByExample/Subsystems/HeatTransfer/Examples/FlatRod.mo

@@ -8,19 +8,19 @@ model FlatRod "Modeling a heat transfer in a rod in a without subsystems"
   Modelica.Thermal.HeatTransfer.Components.HeatCapacitor C1(C=0.1, T(fixed=true))
     annotation (Placement(transformation(
         extent={{-10,-10},{10,10}},
-        rotation=0, origin={-60,2})));
+        origin={-60,2})));
   Modelica.Thermal.HeatTransfer.Components.ThermalConductor G1(G=1.2)
     annotation (Placement(transformation(extent={{-40,-30},{-20,-10}})));
   Modelica.Thermal.HeatTransfer.Components.HeatCapacitor C2(C=0.1, T(fixed=true))
     annotation (Placement(transformation(
         extent={{-10,-10},{10,10}},
-        rotation=0, origin={0,2})));
+        origin={0,2})));
   Modelica.Thermal.HeatTransfer.Components.ThermalConductor G2(G=1.2)
     annotation (Placement(transformation(extent={{20,-30},{40,-10}})));
   Modelica.Thermal.HeatTransfer.Components.HeatCapacitor C3(C=0.1, T(fixed=true))
     annotation (Placement(transformation(
         extent={{-10,-10},{10,10}},
-        rotation=0, origin={60,2})));
+        origin={60,2})));
   Modelica.Thermal.HeatTransfer.Sensors.TemperatureSensor sensor
     annotation (Placement(transformation(extent={{80,-30},{100,-10}})));
   Modelica.Thermal.HeatTransfer.Components.ThermalConductor wall1(G=0.9)