SPR-5429 Update Pet Clinic to use HSQL as an embedded database

Removing support for running HSQL in stand-alone mode.  Out of the box embedded HSQL and MySQL are supported.

org.springframework.samples.petclinic/src/main/resources/jdbc.properties

@@ -4,6 +4,7 @@
 # various application context XML files (e.g., "applicationContext-*.xml").
 # Targeted at system administrators, to avoid touching the context XML files.
 
+
 #-------------------------------------------------------------------------------
 # Common Settings
 
@@ -11,8 +12,9 @@ hibernate.generate_statistics=true
 hibernate.show_sql=true
 jpa.showSql=true
 
+
 #-------------------------------------------------------------------------------
-# HSQL Embedded Settings
+# HSQL Settings
 
 jdbc.driverClassName=org.hsqldb.jdbcDriver
 jdbc.url=jdbc:hsqldb:mem:petclinic
@@ -34,28 +36,6 @@ jpa.databasePlatform=org.springframework.samples.petclinic.toplink.EssentialsHSQ
 # Property that determines which database to use with an AbstractJpaVendorAdapter
 jpa.database=HSQL
 
-#-------------------------------------------------------------------------------
-# HSQL Settings
-
-#jdbc.driverClassName=org.hsqldb.jdbcDriver
-#jdbc.url=jdbc:hsqldb:hsql://localhost:9001
-#jdbc.username=sa
-#jdbc.password=
-
-# Properties that control the population of schema and data for a new data source
-#jdbc.populate=false
-#jdbc.schemaLocation=
-#jdbc.dataLocation=
-
-# Property that determines which Hibernate dialect to use
-# (only applied with "applicationContext-hibernate.xml")
-#hibernate.dialect=org.hibernate.dialect.HSQLDialect
-
-# Property that determines which JPA DatabasePlatform to use with TopLink Essentials
-#jpa.databasePlatform=org.springframework.samples.petclinic.toplink.EssentialsHSQLPlatformWithNativeSequence
-
-# Property that determines which database to use with an AbstractJpaVendorAdapter
-#jpa.database=HSQL
 
 #-------------------------------------------------------------------------------
 # MySQL Settings