[NFC][clangd] cleanup llvm-else-after-return findings

Cleanup of clang-tidy findings: removing "else" after a return statement
to improve readability of the code.

This patch was created by applying the clang-tidy fixes automatically.

Differential Revision: https://reviews.llvm.org/D113892

GitOrigin-RevId: ec4a2c956591e97904eae5102022f343dadfb8f1
12 files changed