tempfile moved out of crosvm, so remove the path override here. am: 75b8a2d939

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/vmm_vhost/+/1873618

Change-Id: I3d61d0b33adeada505175a79983259fed3ff53a7
diff --git a/Cargo.toml b/Cargo.toml
index 047be10..2376863 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,7 +22,7 @@
 bitflags = ">=1.0.1"
 libc = ">=0.2.39"
 sys_util = { path = "../../../external/crosvm/sys_util" }
-tempfile = { path = "../../../external/crosvm/tempfile" }
+tempfile = "*"
 vm-memory = { version = "0.2.0", optional = true }
 
 [dev-dependencies]
@@ -30,4 +30,3 @@
 
 [patch.crates-io]
 sys_util = { path = "../../../external/crosvm/sys_util" } # ignored by ebuild
-tempfile = { path = "../../../external/crosvm/tempfile" } # ignored by ebuild