Remove obsolete files

.hgtags

-cd6299d53b7ffa10752111cb90c4eec9958cc0f8 before_promises
-e5aa9761f361e2e8e74e41169640111bd44011f3 package_loading_ok

Rpkgsource/.project

-<?xml version="1.0" encoding="UTF-8"?>
-<projectDescription>
-	<name>Rpkgsource</name>
-	<comment></comment>
-	<projects>
-	</projects>
-	<buildSpec>
-	</buildSpec>
-	<natures>
-	</natures>
-</projectDescription>

com.oracle.truffle.r.native.recommended/.project

-<?xml version="1.0" encoding="UTF-8"?>
-<projectDescription>
-	<name>com.oracle.truffle.r.native.recommended</name>
-	<comment></comment>
-	<projects>
-	</projects>
-	<buildSpec>
-		<buildCommand>
-			<name>org.eclipse.cdt.managedbuilder.core.genmakebuilder</name>
-			<arguments>
-			</arguments>
-		</buildCommand>
-		<buildCommand>
-			<name>org.eclipse.cdt.managedbuilder.core.ScannerConfigBuilder</name>
-			<triggers>full,incremental,</triggers>
-			<arguments>
-			</arguments>
-		</buildCommand>
-	</buildSpec>
-	<natures>
-		<nature>org.eclipse.cdt.core.cnature</nature>
-		<nature>org.eclipse.cdt.managedbuilder.core.managedBuildNature</nature>
-		<nature>org.eclipse.cdt.managedbuilder.core.ScannerConfigNature</nature>
-	</natures>
-</projectDescription>

com.oracle.truffle.r.parser/gramgen.bat

-
-java -jar antlr-3.5-complete.jar  -o src/truffle/r/parser/ src/truffle/r/parser/R.g
-