Merge bitcoin#23864: doc: Drop outdated note

94a7f09 doc: Drop outdated note (Hennadii Stepanov)

Pull request description:

  It is outdated since bitcoin#23060.

ACKs for top commit:
  MarcoFalke:
    cr ACK 94a7f09
  theStack:
    Code-review ACK 94a7f09

Tree-SHA512: 5a98cf39c3939845d1abb64cb62dbb9bdb1135aa07a5cd0d85de7b6a6d9a3397b0e5da06cdb89991aac31151cb3c0d38eacf4898c53014cb7f7600e992230f87

Author: MarcoFalke

depends/README.md

@@ -79,9 +79,6 @@ For linux RISC-V 64-bit cross compilation (there are no packages for 32-bit):
 
     sudo apt-get install g++-riscv64-linux-gnu binutils-riscv64-linux-gnu
 
-RISC-V known issue: gcc-7.3.0 and gcc-7.3.1 result in a broken `test_bitcoin` executable (see https://github.com/bitcoin/bitcoin/pull/13543),
-this is apparently fixed in gcc-8.1.0.
-
 For linux S390X cross compilation:
 
     sudo apt-get install g++-s390x-linux-gnu binutils-s390x-linux-gnu