Rollup merge of #79984 - Nadrieril:remove-unused-dep, r=jyn514

JohnTitor · web-flow · commit 424e44af002c · 2020-12-13T11:05:47.000+09:00
Remove an unused dependency that made `rustdoc` crash Whilst struggling with #79980 I discovered that this dependency was unused, and that made rustdoc crash. This PR removes it.
diff --git a/Cargo.lock b/Cargo.lock
@@ -725,9 +725,6 @@ checksum = "9a21fa21941700a3cd8fcb4091f361a6a712fac632f85d9f487cc892045d55c6"
 [[package]]
 name = "coverage_test_macros"
 version = "0.0.0"
-dependencies = [
- "proc-macro2",
-]
 
 [[package]]
 name = "cpuid-bool"
diff --git a/compiler/rustc_mir/src/transform/coverage/test_macros/Cargo.toml b/compiler/rustc_mir/src/transform/coverage/test_macros/Cargo.toml
@@ -7,6 +7,3 @@ edition = "2018"
 [lib]
 proc-macro = true
 doctest = false
-
-[dependencies]
-proc-macro2 = "1"
