remove unused data

src/tests/ContainerTestData/FailingImport/RhodeSchwarz/2010830RD_002

-Type;FSP;
-Version;4.50;
-Date;30.Aug 17;
-Mode;ANALYZER;
-Center Freq;327270.750000;Hz
-Freq Offset;0.000000;Hz
-Span;0.000000;Hz
-x-Axis;LIN;
-Start;327270.750000;Hz
-Stop;327270.750000;Hz
-Ref Level;14.000000;dBm
-Level Offset;0.000000;dB
-Ref Position;100.000000;%
-y-Axis;LOG;
-Level Range;100.000000;dB
-Rf Att;50.000000;dB
-RBW;10.000000;Hz
-VBW;30.000000;Hz
-SWT;5.000000;s
-Trace Mode;AVERAGE;
-Detector;SAMPLE;
-Sweep Count;1;
-Trace 1:;;
-x-Unit;test;
-y-Unit;dBm;
-Preamplifier;NOT AVAILABLE;
-Transducer;OFF;
-Values;8001;