elastic-tube-1d: Remove unnecessary read statement (#232)

Author: BenjaminRodenberg

changelog-entries/232.md

@@ -0,0 +1 @@
+- Removed unnecessary read statment in `elastic-tube-1d` [#232](https://github.com/precice/tutorials/pull/232).

elastic-tube-1d/fluid-cpp/src/FluidSolver.cpp

@@ -101,10 +101,6 @@ int main(int argc, char **argv)
       interface.markActionFulfilled(actionWriteIterationCheckpoint());
     }
 
-    if (interface.isReadDataAvailable()) {
-      interface.readBlockScalarData(crossSectionLengthID, chunkLength, vertexIDs.data(), crossSectionLength.data());
-    }
-
     fluidComputeSolutionSerial(
         // values from last time window
         velocity_old.data(), pressure_old.data(), crossSectionLength_old.data(),