Build & config: Remove leftover files from the unsupported "make" build system

examples/bluetooth/hci/ble_adv_scan_combined/Makefile

@@ -1,10 +0,0 @@
-#
-# This is a project Makefile. It is assumed the directory this Makefile resides in is a
-# project subdirectory.
-#
-
-PROJECT_NAME := ble_adv_scan
-
-EXTRA_COMPONENT_DIRS = $(IDF_PATH)/examples/bluetooth/hci/hci_common_component
-
-include $(IDF_PATH)/make/project.mk

examples/bluetooth/hci/ble_adv_scan_combined/main/component.mk

@@ -1,4 +0,0 @@
-#
-# "main" pseudo-component makefile.
-#
-# (Uses default behaviour of compiling all source files in directory, adding 'include' to include path.)

examples/bluetooth/hci/controller_hci_uart_esp32/Makefile

@@ -1,8 +0,0 @@
-#
-# This is a project Makefile. It is assumed the directory this Makefile resides in is a
-# project subdirectory.
-#
-
-PROJECT_NAME := controller_hci_uart
-
-include $(IDF_PATH)/make/project.mk

examples/bluetooth/hci/controller_hci_uart_esp32/main/component.mk

@@ -1,4 +0,0 @@
-#
-# "main" pseudo-component makefile.
-#
-# (Uses default behaviour of compiling all source files in directory, adding 'include' to include path.)

examples/bluetooth/hci/controller_vhci_ble_adv/Makefile

@@ -1,10 +0,0 @@
-#
-# This is a project Makefile. It is assumed the directory this Makefile resides in is a
-# project subdirectory.
-#
-
-PROJECT_NAME := ble_adv
-
-EXTRA_COMPONENT_DIRS = $(IDF_PATH)/examples/bluetooth/hci/hci_common_component
-
-include $(IDF_PATH)/make/project.mk

examples/bluetooth/hci/controller_vhci_ble_adv/main/component.mk

@@ -1,4 +0,0 @@
-#
-# "main" pseudo-component makefile.
-#
-# (Uses default behaviour of compiling all source files in directory, adding 'include' to include path.)