Remove redundant min version checks

We dropped support for firefox older than 58 a long time back.

We dropped support node older than 18.1 in emscripten-core#26604.

Author: sbc100

tools/minimal_runtime_shell.py

@@ -26,7 +26,7 @@ def generate_minimal_runtime_load_statement(target_basename):
   # Expand {{{ DOWNLOAD_WASM }}} block from here (if we added #define support, this could be done in
   # the template directly)
   if settings.MINIMAL_RUNTIME_STREAMING_WASM_COMPILATION:
-    if settings.MIN_SAFARI_VERSION < 150000 or settings.MIN_NODE_VERSION < 180100 or settings.MIN_FIREFOX_VERSION < 58:
+    if settings.MIN_SAFARI_VERSION < 150000:
       # https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WebAssembly/compileStreaming
       download_wasm = f"WebAssembly.compileStreaming ? WebAssembly.compileStreaming(fetch('{target_basename}.wasm')) : binary('{target_basename}.wasm')"
     else:
@@ -35,7 +35,7 @@ def generate_minimal_runtime_load_statement(target_basename):
   elif settings.MINIMAL_RUNTIME_STREAMING_WASM_INSTANTIATION:
     # Same compatibility story as above for
     # https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WebAssembly/instantiateStreaming
-    if settings.MIN_SAFARI_VERSION < 150000 or settings.MIN_NODE_VERSION < 180100 or settings.MIN_FIREFOX_VERSION < 58:
+    if settings.MIN_SAFARI_VERSION < 150000:
       download_wasm = f"!WebAssembly.instantiateStreaming && binary('{target_basename}.wasm')"
     else:
       # WebAssembly.instantiateStreaming() is unconditionally supported, so we do not download wasm