Revert "DoNotConvert tzdata nor tz_version"

This reverts commit bff2e88a8512d8184bdb7fa0af60dc86752c2284.

Reason for revert:
The reason for excluding them has been resolved; the files no longer conflict with the target names.

Test: mixed_libc.sh shows conversion of tzdata & tz_version

Change-Id: Ibcecfb2a65bb51a89dbc358ebd248209f3eb45b8
diff --git a/android/allowlists/allowlists.go b/android/allowlists/allowlists.go
index 0cdf792..09b2fad 100644
--- a/android/allowlists/allowlists.go
+++ b/android/allowlists/allowlists.go
@@ -546,10 +546,6 @@
 		"truth-host-prebuilt", // depends on unconverted modules: truth-prebuilt
 		"truth-prebuilt",      // depends on unconverted modules: asm-7.0, guava
 
-		// b/215723302; awaiting tz{data,_version} to then rename targets conflicting with srcs
-		"tzdata",
-		"tz_version",
-
 		// '//bionic/libc:libc_bp2build_cc_library_static' is duplicated in the 'deps' attribute of rule
 		"toybox-static",