GODRIVER-1406 FLE GA docs changes (#225)

- Remove "beta" annotations from docs
- Update the instructions to install libmongocrypt

Author: Divjot Arora

.evergreen/config.yml

@@ -76,7 +76,7 @@ functions:
            if [ "Windows_NT" = "$OS" ]; then
               mkdir -p c:/libmongocrypt/include
               mkdir -p c:/libmongocrypt/bin
-              curl https://s3.amazonaws.com/mciuploads/libmongocrypt/windows-test/master/latest/libmongocrypt.tar.gz --output libmongocrypt.tar.gz
+              curl https://s3.amazonaws.com/mciuploads/libmongocrypt/windows/latest_release/libmongocrypt.tar.gz --output libmongocrypt.tar.gz
               tar -xvzf libmongocrypt.tar.gz
               cp ./bin/mongocrypt.dll c:/libmongocrypt/bin
               cp ./include/mongocrypt/*.h c:/libmongocrypt/include

mongo/client_encryption.go

@@ -20,8 +20,6 @@ import (
 )
 
 // ClientEncryption is used to create data keys and explicitly encrypt and decrypt BSON values.
-// This type is in beta. The API does not have any stability guarantees and backwards-breaking changes may be made
-// before the final release.
 type ClientEncryption struct {
 	crypt          *driver.Crypt
 	keyVaultClient *Client

mongo/doc.go

@@ -82,27 +82,29 @@
 // Client-side encryption is a new feature in MongoDB 4.2 that allows specific data fields to be encrypted. Using this
 // feature requires specifying the "cse" build tag during compilation.
 //
-// Important: This feature is beta. The API for both automatic and explicit encryption/decryption does not have any
-// stability guarantees and backwards-breaking changes may be made before the final release.
-//
 // Note: Auto encryption is an enterprise-only feature.
 //
-// The libmongocrypt C library is required when using client-side encryption. To install libmongocrypt, do the following:
+// The libmongocrypt C library is required when using client-side encryption. To install libmongocrypt, follow the
+// instructions for your operating system:
 //
-//    // run the clone command in an empty folder because the compile script will create new directories.
-//    git clone https://github.com/mongodb/libmongocrypt
-//    ./libmongocrypt/.evergreen/compile.sh
+// 1. Linux: follow the instructions listed at
+// https://github.com/mongodb/libmongocrypt#installing-libmongocrypt-from-distribution-packages to install the correct
+// deb/rpm package.
 //
-//    // Linux/Darwin: (this requires pkg-config to be installed on the system)
-//    Add <installation_dir>/install/libmongocrypt/lib/pkgconfig:<installation_dir>/install/mongo-c-driver/lib/pkgconfig to PKG_CONFIG_PATH.
-//    Add <installation_dir>/install/libmongocrypt/lib to LD_LIBRARY_PATH
+// 2. Mac: Follow the instructions listed at https://github.com/mongodb/libmongocrypt#installing-libmongocrypt-on-macos
+// to install packages via brew and compile the libmongocrypt source code.
 //
-//    // Windows:
-//    mkdir -p c:/libmongocrypt/include
+// 3. Windows:
 //    mkdir -p c:/libmongocrypt/bin
-//    cp ./install/libmongocrypt/lib/mongocrypt.dll c:/libmongocrypt/bin
-//    cp ./install/libmongocrypt/include/mongocrypt/*.h c:/libmongocrypt/include
-//    // add c:/libmongocrypt/bin to PATH
+//    mkdir -p c:/libmongocrypt/include
+//
+//    // Run the curl command in an empty directory as it will create new directories when unpacked.
+//    curl https://s3.amazonaws.com/mciuploads/libmongocrypt/windows/latest_release/libmongocrypt.tar.gz --output libmongocrypt.tar.gz
+//    tar -xvzf libmongocrypt.tar.gz
+//
+//    cp ./bin/mongocrypt.dll c:/libmongocrypt/bin
+//    cp ./include/mongocrypt/*.h c:/libmongocrypt/include
+//    export PATH=$PATH:/cygdrive/c/libmongocrypt/bin
 //
 // libmongocrypt communicates with the mongocryptd process for automatic encryption. This process can be started manually
 // or auto-spawned by the driver itself. To enable auto-spawning, ensure the process binary is on the PATH. To start it

mongo/options/autoencryptionoptions.go

@@ -20,9 +20,6 @@ package options
 //
 // Enabling Client Side Encryption reduces the maximum document and message size (using a maxBsonObjectSize of 2MiB and
 // maxMessageSizeBytes of 6MB) and may have a negative performance impact.
-//
-// This type is in beta. The API does not have any stability guarantees and backwards-breaking changes may be made
-// before the final release.
 type AutoEncryptionOptions struct {
 	KeyVaultClientOptions *ClientOptions
 	KeyVaultNamespace     string