remove unneeded quotes (#369)

Author: TimHess

api/v4/security/jwt-bearer.md

@@ -185,7 +185,7 @@ applications:
     GRANT_TYPE: client_credentials
     SSO_AUTHORITIES: uaa.resource, sampleapi.read
     SSO_RESOURCES: sampleapi.read
-    SSO_SHOW_ON_HOME_PAGE: "false"
+    SSO_SHOW_ON_HOME_PAGE: false
   services:
   - sampleSSOService
 ```

api/v4/security/sso-open-id.md

@@ -205,7 +205,7 @@ applications:
     SSO_AUTHORITIES: uaa.resource, sampleapi.read
     SSO_IDENTITY_PROVIDERS: steeltoe-uaa
     SSO_SCOPES: openid, profile, sampleapi.read
-    SSO_SHOW_ON_HOME_PAGE: "true"
+    SSO_SHOW_ON_HOME_PAGE: true
   services:
   - sampleSSOService
 ```