Remove regex-1.5.5 from README and REUSE

Author: Kobzol

collector/compile-benchmarks/README.md

@@ -37,7 +37,6 @@ They mostly consist of real-world crates.
   types, constants, and functions, but relatively little normal code. Stresses the parser. A very widely-used crate.
 - **nalgebra-0.33.0**: A linear algebra library. It exercises the new trait solver
   in different ways than the old solver.
-- **regex-1.5.5**: A regular expression parser. Used by many Rust programs.
 - **regex-automata-0.4.8**: A regular expression matching engine. Used by `regex`, which is used by
   many Rust programs.
 - **ripgrep-13.0.0**: A line-oriented search tool. A widely-used utility, and a

collector/compile-benchmarks/REUSE.toml

@@ -180,11 +180,6 @@ path = "regex/**"
 SPDX-FileCopyrightText = "The Rust Project Developers (see https://thanks.rust-lang.org)"
 SPDX-License-Identifier = "MIT OR Apache-2.0"
 
-[[annotations]]
-path = "regex-1.5.5/**"
-SPDX-FileCopyrightText = "The Rust Project Developers (see https://thanks.rust-lang.org)"
-SPDX-License-Identifier = "MIT OR Apache-2.0"
-
 [[annotations]]
 path = "regex-automata-0.4.8/**"
 SPDX-FileCopyrightText = "The Rust Project Developers (see https://thanks.rust-lang.org)"