Drop unused opencode Zod statics (#26935)

packages/opencode/src/config/parse.ts

@@ -2,12 +2,10 @@ export * as ConfigParse from "./parse"
 
 import { type ParseError as JsoncParseError, parse as parseJsoncImpl, printParseErrorCode } from "jsonc-parser"
 import { Cause, Exit, Schema as EffectSchema, SchemaIssue } from "effect"
-import z from "zod"
+import type z from "zod"
 import type { DeepMutable } from "@opencode-ai/core/schema"
 import { InvalidError, JsonError } from "./error"
 
-type ZodSchema<T> = z.ZodType<T>
-
 export function jsonc(text: string, filepath: string): unknown {
   const errors: JsoncParseError[] = []
   const data = parseJsoncImpl(text, errors, { allowTrailingComma: true })
@@ -35,17 +33,7 @@ export function jsonc(text: string, filepath: string): unknown {
   return data
 }
 
-export function schema<T>(schema: ZodSchema<T>, data: unknown, source: string): T {
-  const parsed = schema.safeParse(data)
-  if (parsed.success) return parsed.data
-
-  throw new InvalidError({
-    path: source,
-    issues: parsed.error.issues,
-  })
-}
-
-export function effectSchema<S extends EffectSchema.Decoder<unknown, never>>(
+export function schema<S extends EffectSchema.Decoder<unknown, never>>(
   schema: S,
   data: unknown,
   source: string,