Git: remove old eclipse project file

.gitignore

 *~
 *.bin
-*.cproject
 *.d
 *.dll
 *.exe
 *.lst
 *.o
 *.obj
-*.project
 *.px4
 *.pyc
 *.tlog

.project

-<?xml version="1.0" encoding="UTF-8"?>
-<projectDescription>
-	<name>ArduPilotMega-Source@ardupilotone</name>
-	<comment></comment>
-	<projects>
-	</projects>
-	<buildSpec>
-	</buildSpec>
-	<natures>
-	</natures>
-</projectDescription>