Extract Prisma support into an extension (#9820)

This PR extracts Prisma support into an extension and removes the
built-in Prisma support from Zed.

Release Notes:

- Removed built-in support for Prisma, in favor of making it available
as an extension. The Prisma extension will be suggested for download
when you open a `.prisma` file.

Cargo.lock

@@ -5315,7 +5315,6 @@ dependencies = [
  "tree-sitter-nu",
  "tree-sitter-ocaml",
  "tree-sitter-php",
- "tree-sitter-prisma-io",
  "tree-sitter-proto",
  "tree-sitter-purescript",
  "tree-sitter-python",
@@ -10398,15 +10397,6 @@ dependencies = [
  "tree-sitter",
 ]
 
-[[package]]
-name = "tree-sitter-prisma-io"
-version = "1.4.0"
-source = "git+https://github.com/victorhqc/tree-sitter-prisma#eca2596a355b1a9952b4f80f8f9caed300a272b5"
-dependencies = [
- "cc",
- "tree-sitter",
-]
-
 [[package]]
 name = "tree-sitter-proto"
 version = "0.0.2"
@@ -12609,6 +12599,13 @@ dependencies = [
  "zed_extension_api 0.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "zed_prisma"
+version = "0.0.1"
+dependencies = [
+ "zed_extension_api 0.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "zed_svelte"
 version = "0.0.1"