drop obsolete prop

Author: Hona

packages/opencode/src/lsp/client.ts

@@ -347,7 +347,6 @@ export async function create(input: { serverID: string; server: LSPServer.Handle
                         start: { line: 0, character: 0 },
                         end: endPosition(document.text),
                       },
-                      rangeLength: document.text.length,
                       text,
                     },
                   ]

packages/opencode/test/lsp/client.test.ts

@@ -123,7 +123,6 @@ describe("LSPClient interop", () => {
           contentChanges: {
             range?: { start: { line: number; character: number }; end: { line: number; character: number } }
             text: string
-            rangeLength?: number
           }[]
         }>("test/get-last-change", {})
 
@@ -134,7 +133,6 @@ describe("LSPClient interop", () => {
               start: { line: 0, character: 0 },
               end: { line: 1, character: 0 },
             },
-            rangeLength: 6,
             text: "second\nthird\n",
           },
         ])