Remove old unused protobuf crap

protocol/build.gradle

@@ -1,33 +0,0 @@
-plugins {
-    id "com.google.protobuf" version "0.8.19"
-    id "java"
-}
-repositories {
-    gradlePluginPortal()
-}
-
-java {
-    toolchain {
-        languageVersion.set(JavaLanguageVersion.of(17))
-    }
-}
-protobuf {
-    protoc {
-        artifact = 'com.google.protobuf:protoc:3.0.0'
-    }
-}
-
-sourceSets {
-    main {
-        java {
-            srcDirs 'build/generated/source/proto/main/grpc'
-            srcDirs 'build/generated/source/proto/main/java'
-        }
-    }
-}
-
-dependencies {
-    protobuf files ("def/")
-
-    implementation group: 'com.google.protobuf', name: 'protobuf-java', version: '3.0.0'
-}

protocol/def/index.proto

@@ -1,23 +0,0 @@
-syntax = "proto3";
-
-option java_package = "nu.wmsa.wmsa.edge.index.proto";
-option java_outer_classname = "IndexProto";
-option java_multiple_files = true;
-
-message IndexPutKeywordsReq {
-    int32 domain = 1;
-    int32 url = 2;
-    int32 index = 3;
-    int64 metadata = 4;
-    repeated WordSet wordSet = 5;
-
-    message WordSet {
-        int32 index = 1;
-        repeated string words = 2;
-        repeated int64 meta = 3;
-    }
-}
-
-message IndexSearchQueryRsp {
-
-}