Update platformio.ini

Author: Jason2866

examples/arduino-blink/platformio.ini

@@ -45,13 +45,7 @@ custom_component_remove =
 platform = espressif32
 framework = arduino
 board = esp32s3_120_16_8-qio_opi
-build_unflags               = -Os
-                              -ffunction-sections
-build_flags                 = -Ofast
-                              -mtext-section-literals
-custom_sdkconfig            = '# CONFIG_COMPILER_OPTIMIZATION_SIZE is not set'
-                              CONFIG_COMPILER_OPTIMIZATION_PERF=y
-                              CONFIG_SPIRAM_MODE_OCT=y
+custom_sdkconfig            = CONFIG_SPIRAM_MODE_OCT=y
                               CONFIG_SPIRAM_SPEED_120M=y
                               CONFIG_LCD_RGB_ISR_IRAM_SAFE=y
                               CONFIG_GDMA_CTRL_FUNC_IN_IRAM=y