Revert "spice port selected from range so more than one vm can be run"

Similar patch already submitted which was done better.:

quickemu

@@ -104,19 +104,6 @@ function get_port() {
     done
 }
 
-function get_spice_port() {
-    local PORT_START=5930
-    local PORT_RANGE=9
-    while true; do
-        local CANDIDATE=$[${PORT_START} + (${RANDOM} % ${PORT_RANGE})]
-        (echo "" >/dev/tcp/127.0.0.1/${CANDIDATE}) >/dev/null 2>&1
-        if [ $? -ne 0 ]; then
-            echo "${CANDIDATE}"
-            break
-        fi
-    done
-}
-
 enable_usb_passthrough() {
   local DEVICE=""
   local USB_BUS=""
@@ -460,7 +447,7 @@ function vm_boot() {
         -rtc base=localtime,clock=host \
         -object rng-random,id=rng0,filename=/dev/urandom \
         -device virtio-rng-pci,rng=rng0 \
-        -spice port=${SPICE_PORT},disable-ticketing \
+        -spice port=5930,disable-ticketing \
         -device virtio-serial-pci \
         -device virtserialport,chardev=spicechannel0,name=com.redhat.spice.0 \
         -chardev spicevmc,id=spicechannel0,name=vdagent \
@@ -485,7 +472,7 @@ function vm_boot() {
       -rtc base=localtime,clock=host \
       -object rng-random,id=rng0,filename=/dev/urandom \
       -device virtio-rng-pci,rng=rng0 \
-      -spice port=${SPICE_PORT},disable-ticketing \
+      -spice port=5930,disable-ticketing \
       -device virtio-serial-pci \
       -device virtserialport,chardev=spicechannel0,name=com.redhat.spice.0 \
       -chardev spicevmc,id=spicechannel0,name=vdagent \