Revert "Enable SVE when available in AVF"

This reverts commit f2402641bb61b60087e4497586c78bcefcab60bb.

Reason for revert: b/391978891 and its duplicates

Change-Id: I7b78062d415a1991550058045f8e3b526a8f14c6
diff --git a/android/virtmgr/src/crosvm.rs b/android/virtmgr/src/crosvm.rs
index b3825eb..096d3b5 100644
--- a/android/virtmgr/src/crosvm.rs
+++ b/android/virtmgr/src/crosvm.rs
@@ -1110,7 +1110,7 @@
     command.arg("--mem").arg(memory_mib.to_string());
 
     if let Some(cpus) = config.cpus {
-        command.arg("--cpus").arg(cpus.to_string() + ",sve=[auto=true]");
+        command.arg("--cpus").arg(cpus.to_string());
     }
 
     if config.host_cpu_topology {
@@ -1121,9 +1121,8 @@
                     command.arg("--virt-cpufreq");
                 }
             }
-            command.arg("--cpus").arg("sve=[auto=true]");
         } else if let Some(cpus) = get_num_cpus() {
-            command.arg("--cpus").arg(cpus.to_string() + ",sve=[auto=true]");
+            command.arg("--cpus").arg(cpus.to_string());
         } else {
             bail!("Could not determine the number of CPUs in the system");
         }