Sync boards with flash offset

boards/fysetc_s6.json

@@ -4,8 +4,9 @@
     "cpu": "cortex-m4",
     "extra_flags": "-DSTM32F446xx",
     "f_cpu": "168000000L",
+    "flash_offset": "0x10000",
     "framework_extra_flags": {
-      "arduino": "-DVECT_TAB_OFFSET=0x10000 -DCUSTOM_PERIPHERAL_PINS"
+      "arduino": "-DCUSTOM_PERIPHERAL_PINS"
     },
     "mcu": "stm32f446vet6",
     "product_line": "STM32F446xx",

boards/malyanm200_f070cb.json

@@ -7,8 +7,9 @@
     "cpu": "cortex-m0",
     "extra_flags": "-DSTM32F070xB",
     "f_cpu": "48000000L",
+    "flash_offset": "0x2000",
     "framework_extra_flags": {
-      "arduino": "-DVECT_TAB_OFFSET=0x2000 -DCUSTOM_STARTUP_FILE"
+      "arduino": "-DCUSTOM_STARTUP_FILE"
     },
     "mcu": "stm32f070cbt6",
     "product_line": "STM32F103xB",

boards/malyanm200_f103cb.json

@@ -4,8 +4,9 @@
     "cpu": "cortex-m3",
     "extra_flags": "-DSTM32F103xB",
     "f_cpu": "72000000L",
+    "flash_offset": "0x2000",
     "framework_extra_flags": {
-      "arduino": "-DVECT_TAB_OFFSET=0x2000 -DCUSTOM_STARTUP_FILE -DCUSTOM_PERIPHERAL_PINS"
+      "arduino": "-DCUSTOM_STARTUP_FILE -DCUSTOM_PERIPHERAL_PINS"
     },
     "hwids": [
       [

boards/malyanm300_f070cb.json

@@ -7,8 +7,9 @@
     "cpu": "cortex-m0",
     "extra_flags": "-DSTM32F070xB",
     "f_cpu": "48000000L",
+    "flash_offset": "0x2000",
     "framework_extra_flags": {
-      "arduino": "-DVECT_TAB_OFFSET=0x2000 -DCUSTOM_STARTUP_FILE"
+      "arduino": "-DCUSTOM_STARTUP_FILE"
     },
     "mcu": "stm32f070cbt6",
     "product_line": "STM32F070xB",

boards/prntr_v2.json

@@ -4,8 +4,9 @@
     "cpu": "cortex-m4",
     "extra_flags": "-DSTM32F4 -DSTM32F407xx -DSTM32F40_41xxx",
     "f_cpu": "168000000L",
+    "flash_offset": "0x2000",
     "framework_extra_flags": {
-      "arduino": "-DVECT_TAB_OFFSET=0x8000 -DCUSTOM_PERIPHERAL_PINS"
+      "arduino": "-DCUSTOM_PERIPHERAL_PINS"
     },
     "mcu": "stm32f407vet6",
     "product_line": "STM32F407xx",