KVM: nVMX: Remove stale comment from nested_vmx_load_cr3()

The blurb pertaining to the return value of nested_vmx_load_cr3() no
longer matches reality, remove it entirely as the behavior it is
attempting to document is quite obvious when reading the actual code.
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Reviewed-by: Krish Sadhukhan <krish.sadhukhan@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

arch/x86/kvm/vmx/nested.c

@@ -1074,10 +1074,10 @@ static bool nested_cr3_valid(struct kvm_vcpu *vcpu, unsigned long val)
 }
 
 /*
- * Load guest's/host's cr3 at nested entry/exit. nested_ept is true if we are
- * emulating VM entry into a guest with EPT enabled.
- * Returns 0 on success, 1 on failure. Invalid state exit qualification code
- * is assigned to entry_failure_code on failure.
+ * Load guest's/host's cr3 at nested entry/exit.  @nested_ept is true if we are
+ * emulating VM-Entry into a guest with EPT enabled.  On failure, the expected
+ * Exit Qualification (for a VM-Entry consistency check VM-Exit) is assigned to
+ * @entry_failure_code.
  */
 static int nested_vmx_load_cr3(struct kvm_vcpu *vcpu, unsigned long cr3, bool nested_ept,
 			       u32 *entry_failure_code)