Remove lingering `I2CD2` usages w/ RP2040 (#19833)

keyboards/fearherbs1/blue_team_pad/config.h

@@ -3,12 +3,10 @@
 
 #pragma once
 
-#include "config_common.h"
-
 #ifdef OLED_ENABLE
 #define I2C1_SCL_PIN        GP27
 #define I2C1_SDA_PIN        GP26
-#define I2C_DRIVER I2CD2
+#define I2C_DRIVER I2CD1
 #define OLED_DISPLAY_128X32
 #define OLED_BRIGHTNESS 128
 #endif

keyboards/nullbitsco/scramble/v2/config.h

@@ -34,4 +34,4 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define RP2040_FLASH_GENERIC_03H
 #define I2C1_SDA_PIN GP26
 #define I2C1_SCL_PIN GP27
-#define I2C_DRIVER I2CD2
+#define I2C_DRIVER I2CD1