[docker-sonic-vs] Removing fake_platform variable since it is no more used (#9175)

*Removing fake_platform environment variable. Following the merge of #9044 and sonic-net/sonic-swss#1978 the fake_platform environment variable is not used in any place and removing the stale references.

Signed-off-by: Sudharsan Dhamal Gopalarathnam <[email protected]>

Author: dgsudharsan

platform/vs/docker-sonic-vs/orchagent.sh

@@ -1,12 +1,9 @@
 #!/usr/bin/env bash
 
 #This is required since we have platform based checks in orchagent
-#fakeplatform to be removed once swss migrates to hw-sku
 
 if [ "$HWSKU" == "Mellanox-SN2700" ]; then
     export platform="mellanox"
-elif  [ -n "$fake_platform"  ]; then
-    export platform=$fake_platform
 else
     export platform=vs
 fi

platform/vs/docker-sonic-vs/start.sh

@@ -54,11 +54,6 @@ else
 fi
 sonic-cfggen -t /usr/share/sonic/templates/copp_cfg.j2 > /etc/sonic/copp_cfg.json
 
-#To be removed once swss migrates to HWSKU
-if [ "$fake_platform" == "mellanox" ]; then
-    cp /usr/share/sonic/hwsku/sai_mlnx.profile /usr/share/sonic/hwsku/sai.profile
-fi
-
 if [ "$HWSKU" == "Mellanox-SN2700" ]; then
     cp /usr/share/sonic/hwsku/sai_mlnx.profile /usr/share/sonic/hwsku/sai.profile
 fi