Remove the Pepper IDL generator from JSON schema compiler.

tools/json_schema_compiler/compiler.py

Index: tools/json_schema_compiler/compiler.py
diff --git a/tools/json_schema_compiler/compiler.py b/tools/json_schema_compiler/compiler.py
index 98f44d743e43d72eeaa9692c4a999e139c864da4..25d901235053abe1fe691456766b7a64372f28ca 100755
--- a/tools/json_schema_compiler/compiler.py
+++ b/tools/json_schema_compiler/compiler.py
@@ -26,12 +26,11 @@ from cpp_type_generator import CppTypeGenerator
 from dart_generator import DartGenerator
 import json_schema
 from model import Model
-from ppapi_generator import PpapiGenerator
 from schema_loader import SchemaLoader
 
 # Names of supported code generators, as specified on the command-line.
 # First is default.
-GENERATORS = ['cpp', 'cpp-bundle', 'dart', 'ppapi']
+GENERATORS = ['cpp', 'cpp-bundle', 'dart']
 
 def GenerateSchema(generator,
                    filenames,
@@ -111,12 +110,6 @@ def GenerateSchema(generator,
       ('%s.dart' % namespace.unix_name, DartGenerator(
           dart_overrides_dir))
     ]
-  elif generator == 'ppapi':
-    generator = PpapiGenerator()
-    generators = [
-      (os.path.join('api', 'ppb_%s.idl' % namespace.unix_name),
-       generator.idl_generator),
-    ]
   else:
     raise Exception('Unrecognised generator %s' % generator)