Merge branch 'bugfix/remove_spi_flash_qio_s2_cfg_v4.3' into 'release/v4.3'

ci: remove spi_flash_qio_s2 config (v4.3)

See merge request espressif/esp-idf!12991

tools/unit-test-app/configs/spi_flash_qio_s2

@@ -1,3 +0,0 @@
-TEST_COMPONENTS=spi_flash
-CONFIG_ESPTOOLPY_FLASHMODE_QIO=y
-CONFIG_IDF_TARGET="esp32s2"