Update and rename sstv_decode_iss.desktop to sstv_decode.desktop

groundstation/sstv_decode.desktop

@@ -0,0 +1,10 @@
+[Desktop Entry]
+Name=SSTV Decode using QSSTV 
+GenericName=Decodes SSTV using rtl_fm and QSSTV
+Comment=SSTV signals
+Exec=/home/pi/CubeSatSim/groundstation/sstv_decode_prompt.sh
+Icon=/usr/share/qsstv/qsstv.png
+Terminal=true
+Type=Application
+Categories=HamRadio;
+Keywords=SSTV;ISS;

groundstation/sstv_decode_iss.desktop

@@ -1,10 +0,0 @@
-[Desktop Entry]
-Name=SSTV Decode ISS 
-GenericName=Decodes SSTV from ISS using rtl_fm and QSSTV
-Comment=145.8 MHz SSTV signals
-Exec=/home/pi/CubeSatSim/groundstation/sstv_decode_iss.sh
-Icon=/usr/share/qsstv/qsstv.png
-Terminal=true
-Type=Application
-Categories=HamRadio;
-Keywords=SSTV;ISS;