Flydigi APEX 4 D-input mappings (#829)

* Add Flydigi APEX 4 BT dinput mapping
* Add Flydigi APEX 4 dongle dinput mapping
* Cleanup Flydigi Apex 4
- Removed CRCs
- Removed redundant mappings
- Removed conflicting keys for Flydigi Vader 2 per Apex 4

* Remove Apex 4 BT paddle mappings (likely conflicts with Vader 2)

---------

Co-authored-by: Alynne <alviscera@gmail.com>

gamecontrollerdb.txt

@@ -211,7 +211,7 @@
 03000000b50700000399000000000000,Firestorm 2,a:b2,b:b4,back:b10,leftshoulder:b6,lefttrigger:b7,leftx:a0,lefty:a1,rightshoulder:b8,righttrigger:b9,start:b11,x:b3,y:b5,platform:Windows,
 03000000b50700001302000000000000,Firestorm D3,a:b0,b:b2,leftshoulder:b4,lefttrigger:b5,leftx:a0,lefty:a1,rightshoulder:b6,righttrigger:b7,x:b1,y:b3,platform:Windows,
 03000000b40400001024000000000000,Flydigi Apex,a:b0,b:b1,back:b10,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,leftshoulder:b6,leftstick:b13,lefttrigger:b8,leftx:a0,lefty:a1,rightshoulder:b7,rightstick:b14,righttrigger:b9,rightx:a2,righty:a5,start:b11,x:b3,y:b4,platform:Windows,
-03000000151900004000000000000000,Flydigi Vader 2,a:b27,b:b26,back:b19,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b6,leftshoulder:b23,leftstick:b17,lefttrigger:b21,leftx:a0,lefty:a1,misc1:b15,paddle1:b11,paddle2:b10,paddle3:b13,paddle4:b12,rightshoulder:b22,rightstick:b16,righttrigger:b20,rightx:a3,righty:a4,start:b18,x:b25,y:b24,platform:Windows,
+03000000151900004000000000000000,Flydigi Vader 2,a:b27,b:b26,back:b19,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b6,leftshoulder:b23,leftstick:b17,lefttrigger:b21,leftx:a0,lefty:a1,guide:b15,rightshoulder:b22,rightstick:b16,righttrigger:b20,rightx:a3,righty:a4,start:b18,x:b25,y:b24,platform:Windows,
 03000000b40400001124000000000000,Flydigi Vader 2,a:b0,b:b1,back:b10,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,leftshoulder:b6,leftstick:b12,lefttrigger:b8,leftx:a0,lefty:a1,misc1:b14,paddle1:b4,paddle2:b5,paddle3:b16,paddle4:b17,rightshoulder:b7,rightstick:b13,righttrigger:b9,rightx:a3,righty:a4,start:b11,x:b2,y:b3,platform:Windows,
 03000000b40400001224000000000000,Flydigi Vader 2,a:b0,b:b1,back:b10,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,leftshoulder:b6,leftstick:b12,lefttrigger:b8,leftx:a0,lefty:a1,misc1:b2,paddle1:b16,paddle2:b17,paddle3:b14,paddle4:b15,rightshoulder:b7,rightstick:b13,righttrigger:b9,rightx:a3,righty:a4,start:b11,x:b3,y:b4,platform:Windows,
 030000008305000000a0000000000000,G08XU,a:b0,b:b1,back:b4,dpdown:+a1,dpleft:-a0,dpright:+a0,dpup:-a1,leftshoulder:b6,rightshoulder:b7,start:b5,x:b2,y:b3,platform:Windows,
@@ -1268,6 +1268,7 @@ xinput,XInput Controller,a:b0,b:b1,back:b6,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,
 03000000b40400001124000011010000,Flydigi Vader 2,a:b0,b:b1,back:b10,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,leftshoulder:b6,leftstick:b12,lefttrigger:a5,leftx:a0,lefty:a1,misc1:b14,paddle1:b2,paddle2:b5,paddle3:b16,paddle4:b17,rightshoulder:b7,rightstick:b13,righttrigger:a4,rightx:a2,righty:a3,start:b11,x:b3,y:b4,platform:Linux,
 03000000b40400001224000011010000,Flydigi Vader 2,a:b0,b:b1,back:b10,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,leftshoulder:b6,leftstick:b12,lefttrigger:a5,leftx:a0,lefty:a1,misc1:b2,paddle1:b16,paddle2:b17,paddle3:b14,paddle4:b15,rightshoulder:b7,rightstick:b13,righttrigger:a4,rightx:a2,righty:a3,start:b11,x:b3,y:b4,platform:Linux,
 05000000151900004000000001000000,Flydigi Vader 2,a:b0,b:b1,back:b10,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b21,leftshoulder:b6,leftstick:b12,lefttrigger:a5,leftx:a0,lefty:a1,misc1:b14,paddle1:b2,paddle2:b5,paddle3:b16,paddle4:b17,rightshoulder:b7,rightstick:b13,righttrigger:a4,rightx:a2,righty:a3,start:b11,x:b3,y:b4,platform:Linux,
+05000000b40400001224000001010000,Flydigi APEX 4,a:b0,b:b1,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b14,leftshoulder:b4,leftstick:b10,lefttrigger:a5,leftx:a0,lefty:a1,misc1:b20,rightshoulder:b5,rightstick:b11,righttrigger:a4,rightx:a2,righty:a3,start:b9,x:b2,y:b3,platform:Linux,
 030000007e0500003703000000000000,GameCube Adapter,a:b0,b:b1,dpdown:b9,dpleft:b10,dpright:b11,dpup:b8,lefttrigger:a2,leftx:a0,lefty:a1,rightshoulder:b6,righttrigger:a5,rightx:a3,righty:a4,start:b7,x:b3,y:b2,platform:Linux,
 19000000030000000300000002030000,GameForce Controller,a:b1,b:b0,back:b8,dpdown:b11,dpleft:b12,dpright:b13,dpup:b10,guide:b16,leftshoulder:b4,leftstick:b14,lefttrigger:b6,leftx:a1,lefty:a0,rightshoulder:b5,rightstick:b15,righttrigger:b7,rightx:a3,righty:a2,start:b9,x:b2,y:b3,platform:Linux,
 03000000ac0500005b05000010010000,GameSir G3w,a:b2,b:b1,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b12,leftshoulder:b4,leftstick:b10,lefttrigger:b6,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b11,righttrigger:b7,rightx:a2,righty:a3,start:b9,x:b3,y:b0,platform:Linux,