Grace Boot Web: Remove unnecessary dependency on grace-plugin-gsp

Closes gh-1276

Author: rainboyan

grace-boot-web/build.gradle

@@ -5,7 +5,6 @@ dependencies {
     api project(":grace-plugin-controllers")
     api project(":grace-plugin-converters")
     api project(":grace-plugin-databinding")
-    api project(":grace-plugin-gsp")
     api project(":grace-plugin-i18n")
     api project(":grace-plugin-interceptors")
     api project(":grace-plugin-mimetypes")