Fix stable changelog in beta

CHANGELOG.md

@@ -88,27 +88,17 @@ The table below shows which release corresponds to each branch, and what date th
 
 In memoriam — [Zach Riggle][zach] — long time contributor and maintainer of Pwntools.
 
-- [#2185][2185] make fmtstr module able to create payload without $ notation 
 - [#2062][2062] make pwn cyclic -l work with entry larger than 4 bytes
 - [#2092][2092] shellcraft: dup() is now called dupio() consistently across all supported arches
 - [#2093][2093] setresuid() in shellcraft uses current euid by default
-- [#2103][2103] Add search for libc binary by leaked function addresses `libcdb.search_by_symbol_offsets()`
 - [#2125][2125] Allow tube.recvregex to return capture groups
 - [#2144][2144] Removes `p2align 2` `asm()` headers from `x86-32`, `x86-64` and `mips` architectures to avoid inconsistent instruction length when patching binaries
-- [#2177][2177] Support for RISC-V 64-bit architecture
-- [#2186][2186] Enhance `ELF.nx` and `ELF.execstack`
-- [#2129][2129] Handle `context.newline` correctly when typing in `tube.interactive()`
 
-[2185]: https://github.com/Gallopsled/pwntools/pull/2185
 [2062]: https://github.com/Gallopsled/pwntools/pull/2062
 [2092]: https://github.com/Gallopsled/pwntools/pull/2092
 [2093]: https://github.com/Gallopsled/pwntools/pull/2093
-[2103]: https://github.com/Gallopsled/pwntools/pull/2103
 [2125]: https://github.com/Gallopsled/pwntools/pull/2125
 [2144]: https://github.com/Gallopsled/pwntools/pull/2144
-[2177]: https://github.com/Gallopsled/pwntools/pull/2177
-[2186]: https://github.com/Gallopsled/pwntools/pull/2186
-[2129]: https://github.com/Gallopsled/pwntools/pull/2129
 [zach]: https://github.com/zachriggle
 
 ## 4.9.0