internal/lsp/source: remove workspace module from all experiments

This will enable us to turn on all experiments by default in the
nightly.

Change-Id: I20dff811f8234fd0588e54e1ea90475d171cd9e2
Reviewed-on: https://go-review.googlesource.com/c/tools/+/263779
Trust: Rebecca Stambler <rstambler@golang.org>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
gopls-CI: kokoro <noreply+kokoro@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
diff --git a/internal/lsp/source/options.go b/internal/lsp/source/options.go
index 9734875..900d17a 100644
--- a/internal/lsp/source/options.go
+++ b/internal/lsp/source/options.go
@@ -597,7 +597,6 @@
 // enableAllExperimentMaps.
 func (o *Options) enableAllExperiments() {
 	o.ExperimentalDiagnosticsDelay = 200 * time.Millisecond
-	o.ExperimentalWorkspaceModule = true
 	o.ExperimentalPackageCacheKey = true
 	o.SymbolStyle = DynamicSymbols
 }