VOL-1643 Unsuitable attribute names are renamed for gRPC Java support

- proto files are modified to support compilation of generated Java code
- schema.proto and yang_options.proto files are deleted since there is no need for netconf in Voltha.
Change-Id: I6d8796d74a284529e5bc5926762e77ceaa31638b
diff --git a/go/voltha/adapter.pb.go b/go/voltha/adapter.pb.go
index 1f8b073..93bf21b 100644
--- a/go/voltha/adapter.pb.go
+++ b/go/voltha/adapter.pb.go
@@ -7,7 +7,7 @@
 	fmt "fmt"
 	proto "github.com/golang/protobuf/proto"
 	any "github.com/golang/protobuf/ptypes/any"
-	common "github.com/opencord/voltha-protos/v2/go/common"
+	common "github.com/opencord/voltha-protos/v3/go/common"
 	math "math"
 )
 
@@ -24,7 +24,7 @@
 
 type AdapterConfig struct {
 	// Common adapter config attributes here
-	LogLevel common.LogLevel_LogLevel `protobuf:"varint,1,opt,name=log_level,json=logLevel,proto3,enum=common.LogLevel_LogLevel" json:"log_level,omitempty"`
+	LogLevel common.LogLevel_Types `protobuf:"varint,1,opt,name=log_level,json=logLevel,proto3,enum=common.LogLevel_Types" json:"log_level,omitempty"`
 	// Custom (vendor-specific) configuration attributes
 	AdditionalConfig     *any.Any `protobuf:"bytes,64,opt,name=additional_config,json=additionalConfig,proto3" json:"additional_config,omitempty"`
 	XXX_NoUnkeyedLiteral struct{} `json:"-"`
@@ -57,7 +57,7 @@
 
 var xxx_messageInfo_AdapterConfig proto.InternalMessageInfo
 
-func (m *AdapterConfig) GetLogLevel() common.LogLevel_LogLevel {
+func (m *AdapterConfig) GetLogLevel() common.LogLevel_Types {
 	if m != nil {
 		return m.LogLevel
 	}
@@ -203,29 +203,30 @@
 func init() { proto.RegisterFile("voltha_protos/adapter.proto", fileDescriptor_7e998ce153307274) }
 
 var fileDescriptor_7e998ce153307274 = []byte{
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