misc: Remove SGX support from Cloud Hypervisor

This commit removes the SGX support from cloud hypervisor. SGX support
was deprecated in May as part of #7090.

Signed-off-by: Shubham Chakrawar <schakrawar@crusoe.ai>

src/main.rs

@@ -31,8 +31,6 @@ use vmm::vm_config;
 use vmm::vm_config::FwCfgConfig;
 #[cfg(feature = "ivshmem")]
 use vmm::vm_config::IvshmemConfig;
-#[cfg(target_arch = "x86_64")]
-use vmm::vm_config::SgxEpcConfig;
 use vmm::vm_config::{
     BalloonConfig, DeviceConfig, DiskConfig, FsConfig, LandlockConfig, NetConfig, NumaConfig,
     PciSegmentConfig, PmemConfig, RateLimiterGroupConfig, TpmConfig, UserDeviceConfig, VdpaConfig,
@@ -429,12 +427,6 @@ fn get_cli_options_sorted(
             .help("Control serial port: off|null|pty|tty|file=</path/to/a/file>|socket=</path/to/a/file>")
             .default_value("null")
             .group("vm-config"),
-        #[cfg(target_arch = "x86_64")]
-        Arg::new("sgx-epc")
-            .long("sgx-epc")
-            .help(SgxEpcConfig::SYNTAX)
-            .num_args(1..)
-            .group("vm-config"),
         Arg::new("tpm")
             .long("tpm")
             .num_args(1)
@@ -1030,8 +1022,6 @@ mod unit_tests {
             #[cfg(feature = "pvmemcontrol")]
             pvmemcontrol: None,
             iommu: false,
-            #[cfg(target_arch = "x86_64")]
-            sgx_epc: None,
             numa: None,
             watchdog: false,
             #[cfg(feature = "guest_debug")]