Simplify buck build eclipse by removing $OUT and $DEPS

It does not appear to be necessary to include either $OUT or $DEPS
in the command line when building the project and classpath files
for Eclipse. Omit these as $DEPS is starting to be deprecated by
Buck and will eventually disappear.

Change-Id: I40f9a357dfa8114efaf0212bd1ff4cb51197b67f

tools/eclipse/BUCK

@@ -38,26 +38,26 @@ java_library(
 
 genrule(
   name = '_project',
-  cmd = '$(exe :gen_project) $OUT',
+  cmd = '$(exe :gen_project)',
   deps = [':gen_project'],
-  out = 'project',
+  out = '__fake.project__',
 )
 
 genrule(
   name = '_classpath',
-  cmd = '$(exe :gen_classpath) $OUT $DEPS',
+  cmd = '$(exe :gen_classpath)',
   deps = [
     ':classpath',
     ':gen_classpath',
   ],
-  out = 'classpath',
+  out = '__fake.classpath__',
 )
 
 genrule(
   name = '_classpath_nocompile',
   cmd = '$(exe :gen_classpath)',
   deps = [':gen_classpath'],
-  out = '__fake.eclipse__',
+  out = '__fake.classpath__',
 )
 
 python_binary(

tools/eclipse/gen_classpath.py

@@ -15,13 +15,12 @@
 #
 # TODO(sop): Remove hack after Buck supports Eclipse
 
-from os import path, symlink
+from os import path
 import re
 from subprocess import Popen, PIPE
 from sys import argv
 from xml.dom import minidom
 
-OUT = argv[1] if len(argv) >= 2 else None
 ROOT = path.abspath(__file__)
 for _ in range(0, 3):
   ROOT = path.dirname(ROOT)
@@ -117,5 +116,3 @@ classpathentry('output', 'buck-out/classes')
 p = path.join(ROOT, '.classpath')
 with open(p, 'w') as fd:
   doc.writexml(fd, addindent = '  ', newl = '\n', encoding='UTF-8')
-if OUT:
-  symlink(p, OUT)

tools/eclipse/gen_project.py

@@ -17,10 +17,9 @@
 
 from __future__ import print_function
 
-from os import path, symlink
+from os import path
 from sys import argv
 
-OUT = argv[1]
 ROOT = path.abspath(__file__)
 for _ in range(0, 3):
   ROOT = path.dirname(ROOT)
@@ -41,4 +40,3 @@ with open(p, 'w') as fd:
   </natures>
 </projectDescription>\
 """, file=fd)
-symlink(p, OUT)