docs: update optimization description (#11862)

At the moment, the definition might suggest that `optimization` takes some values other than `true` and `false`

Close: #11856

docs/documentation/build.md

@@ -113,7 +113,7 @@ See https://github.com/angular/angular-cli/issues/7797 for details.
     <code>--optimization</code>
   </p>
   <p>
-    Defines the optimization level of the build.
+    Enables optimization of the build output.
   </p>
 </details>
 <details>

docs/documentation/serve.md

@@ -178,7 +178,7 @@ ng serve [project]
     <code>--optimization</code>
   </p>
   <p>
-    Defines the optimization level of the build.
+    Enables optimization of the build output.
   </p>
 </details>
 <details>

packages/angular/cli/lib/config/schema.json

@@ -580,7 +580,7 @@
             },
             "optimization": {
               "type": "boolean",
-              "description": "Defines the optimization level of the build.",
+              "description": "Enables optimization of the build output.",
               "default": false
             },
             "fileReplacements": {
@@ -995,7 +995,7 @@
             },
             "optimization": {
               "type": "boolean",
-              "description": "Defines the optimization level of the build."
+              "description": "Enables optimization of the build output."
             },
             "aot": {
               "type": "boolean",
@@ -1373,7 +1373,7 @@
             },
             "optimization": {
               "type": "boolean",
-              "description": "Defines the optimization level of the build.",
+              "description": "Enables optimization of the build output.",
               "default": false
             },
             "fileReplacements": {

packages/angular_devkit/build_angular/src/browser/schema.d.ts

@@ -42,7 +42,7 @@ export interface BrowserBuilderSchema {
   stylePreprocessorOptions?: StylePreprocessorOptions;
 
   /**
-   * Defines the optimization level of the build.
+   * Enables optimization of the build output.
    */
   optimization: boolean;
 

packages/angular_devkit/build_angular/src/browser/schema.json

@@ -55,7 +55,7 @@
     },
     "optimization": {
       "type": "boolean",
-      "description": "Defines the optimization level of the build.",
+      "description": "Enables optimization of the build output.",
       "default": false
     },
     "fileReplacements": {

packages/angular_devkit/build_angular/src/dev-server/schema.json

@@ -80,7 +80,7 @@
     },
     "optimization": {
       "type": "boolean",
-      "description": "Defines the optimization level of the build."
+      "description": "Enables optimization of the build output."
     },
     "aot": {
       "type": "boolean",

packages/angular_devkit/build_angular/src/server/schema.d.ts

@@ -61,7 +61,7 @@ export interface BuildWebpackServerSchema {
    */
   bundleDependencies?: BundleDependencies;
   /**
-   * Defines the optimization level of the build.
+   * Enables optimization of the build output.
    */
   optimization?: boolean;
   /**

packages/angular_devkit/build_angular/src/server/schema.json

@@ -29,7 +29,7 @@
     },
     "optimization": {
       "type": "boolean",
-      "description": "Defines the optimization level of the build.",
+      "description": "Enables optimization of the build output.",
       "default": false
     },
     "fileReplacements": {