[NFC] Remove @bjacob from CODEOWNERS. (#24669)

Removes @bjacob as a code owner throughout the repo:

- Drops the sole-owner `/tests/e2e @bjacob` rule entirely.
- Removes `@bjacob` from `/compiler/src/iree/compiler/Dialect/Encoding/`

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Signed-off-by: Benoit Jacob <jacob.benoit.1@gmail.com>

.github/CODEOWNERS

diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
index a109e4e..70d29f6 100644
--- a/.github/CODEOWNERS
+++ b/.github/CODEOWNERS
@@ -49,7 +49,6 @@
 
 # Tests
 /tests/external/iree-test-suites @Groverkss @MaheshRavishankar @kuhar
-/tests/e2e @bjacob
 
 # Compiler
 /compiler/src/iree/compiler/ @benvanik
@@ -68,7 +67,7 @@
 /compiler/src/iree/compiler/Codegen/LLVMGPU/ @qedawkins @kuhar @Groverkss @nirvedhmeshram @krzysz00 @Max191
 /compiler/src/iree/compiler/Codegen/SPIRV/ @kuhar
 /compiler/src/iree/compiler/ConstEval/ @hanhanW @MaheshRavishankar
-/compiler/src/iree/compiler/Dialect/Encoding/ @bjacob @hanhanW @Max191 @jtuyls
+/compiler/src/iree/compiler/Dialect/Encoding/ @hanhanW @Max191 @jtuyls
 /compiler/src/iree/compiler/Dialect/Flow/ @hanhanW @MaheshRavishankar @IanWood1
 /compiler/src/iree/compiler/Dialect/LinalgExt/ @hanhanW @MaheshRavishankar @Groverkss @Max191 @IanWood1 @bangtianliu
 /compiler/src/iree/compiler/Dialect/Stream/ @benvanik @hanhanW @MaheshRavishankar