Remove another snippet on clang

code_snippets/chapter03/chapter03.sh

@@ -53,7 +53,9 @@ $GCC -std=$STD -Wall -Wextra -Wpedantic -Werror -O3 -m64 -fsanitize=address -fsa
 $GCC -std=$STD -Wall -Wextra -Wpedantic -Werror -O3 -m64 -fsanitize=address -fsanitize=shift -fsanitize=shift-exponent -fsanitize=shift-base -fsanitize=integer-divide-by-zero -fsanitize=null -fsanitize=signed-integer-overflow -fsanitize=bounds -fsanitize=alignment -fsanitize=float-divide-by-zero -fsanitize=float-cast-overflow -fsanitize=enum ./chapter03_16-002_binary_literals.cpp          -o ./bin/chapter03_16-002_binary_literals.exe
 $GCC -std=$STD -Wall -Wextra -Wpedantic -Werror -O3 -m64 -fsanitize=address -fsanitize=shift -fsanitize=shift-exponent -fsanitize=shift-base -fsanitize=integer-divide-by-zero -fsanitize=null -fsanitize=signed-integer-overflow -fsanitize=bounds -fsanitize=alignment -fsanitize=float-divide-by-zero -fsanitize=float-cast-overflow -fsanitize=enum ./chapter03_17-001_user_defined_literals.cpp    -o ./bin/chapter03_17-001_user_defined_literals.exe
 $GCC -std=$STD -Wall -Wextra -Wpedantic -Werror -O3 -m64 -fsanitize=address -fsanitize=shift -fsanitize=shift-exponent -fsanitize=shift-base -fsanitize=integer-divide-by-zero -fsanitize=null -fsanitize=signed-integer-overflow -fsanitize=bounds -fsanitize=alignment -fsanitize=float-divide-by-zero -fsanitize=float-cast-overflow -fsanitize=enum ./chapter03_17-002_user_defined_literals.cpp    -o ./bin/chapter03_17-002_user_defined_literals.exe
+if [[ "$GCC" == "g++" ]]; then
 $GCC -std=$STD -Wall -Wextra -Wpedantic -Werror -O3 -m64 -fsanitize=address -fsanitize=shift -fsanitize=shift-exponent -fsanitize=shift-base -fsanitize=integer-divide-by-zero -fsanitize=null -fsanitize=signed-integer-overflow -fsanitize=bounds -fsanitize=alignment -fsanitize=float-divide-by-zero -fsanitize=float-cast-overflow -fsanitize=enum ./chapter03_17-003_user_defined_literals.cpp    -o ./bin/chapter03_17-003_user_defined_literals.exe
+fi
 $GCC -std=$STD -Wall -Wextra -Wpedantic -Werror -O3 -m64 -fsanitize=address -fsanitize=shift -fsanitize=shift-exponent -fsanitize=shift-base -fsanitize=integer-divide-by-zero -fsanitize=null -fsanitize=signed-integer-overflow -fsanitize=bounds -fsanitize=alignment -fsanitize=float-divide-by-zero -fsanitize=float-cast-overflow -fsanitize=enum ./chapter03_17-004_user_defined_literals.cpp    -o ./bin/chapter03_17-004_user_defined_literals.exe
 $GCC -std=$STD -Wall -Wextra -Wpedantic -Werror -O3 -m64 -fsanitize=address -fsanitize=shift -fsanitize=shift-exponent -fsanitize=shift-base -fsanitize=integer-divide-by-zero -fsanitize=null -fsanitize=signed-integer-overflow -fsanitize=bounds -fsanitize=alignment -fsanitize=float-divide-by-zero -fsanitize=float-cast-overflow -fsanitize=enum ./chapter03_17-005_user_defined_literals.cpp    -o ./bin/chapter03_17-005_user_defined_literals.exe
 $GCC -std=$STD -Wall -Wextra -Wpedantic -Werror -O3 -m64 -fsanitize=address -fsanitize=shift -fsanitize=shift-exponent -fsanitize=shift-base -fsanitize=integer-divide-by-zero -fsanitize=null -fsanitize=signed-integer-overflow -fsanitize=bounds -fsanitize=alignment -fsanitize=float-divide-by-zero -fsanitize=float-cast-overflow -fsanitize=enum ./chapter03_17-006_user_defined_literals.cpp    -o ./bin/chapter03_17-006_user_defined_literals.exe
@@ -137,7 +139,6 @@ ls -la \
 ./bin/chapter03_16-002_binary_literals.exe            \
 ./bin/chapter03_17-001_user_defined_literals.exe      \
 ./bin/chapter03_17-002_user_defined_literals.exe      \
-./bin/chapter03_17-003_user_defined_literals.exe      \
 ./bin/chapter03_17-004_user_defined_literals.exe      \
 ./bin/chapter03_17-005_user_defined_literals.exe      \
 ./bin/chapter03_17-006_user_defined_literals.exe      \