arm: Remove vexpress_ca15_tc2 board

This board has not been converted to CONFIG_DM_MMC by the deadline.
Remove it.

Cc: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/drivers/i2c/Kconfig b/drivers/i2c/Kconfig
index 1844941..57a4efb 100644
--- a/drivers/i2c/Kconfig
+++ b/drivers/i2c/Kconfig
@@ -479,7 +479,7 @@
 
 config SYS_I2C_VERSATILE
 	bool "Arm Ltd Versatile I2C bus driver"
-	depends on DM_I2C && (TARGET_VEXPRESS_CA15_TC2 || TARGET_VEXPRESS64_JUNO)
+	depends on DM_I2C && TARGET_VEXPRESS64_JUNO
 	help
 	  Add support for the Arm Ltd Versatile Express I2C driver. The I2C host
 	  controller is present in the development boards manufactured by Arm Ltd.